The App MasterclassLaunching soon

Every topic in the masterclass

All 389 decision topics, grouped the way the reference itself is organized: the foundations, the monetization fork, the 15 continuous threads, and the 18 build phases. Every title and last-verified date is free; each topic’s verdict and full worked decision are the paid masterclass (showcase verdicts shown in full).

Foundations / meta (META) — 6 topics

IDTopicVerdictVerified
META-001The grid as a working modelSketch the grid as a lookup table, not a checklist.2026-06-26
META-002[A] vs. [B]: one product or two[A] [B]Build [A] — one backend, two clients — unless you can name a hard constraint that forces separation.2026-06-26
META-003Platform priority & sequencing[A] [B]�e9f6e; verdict in the full masterclass2026-06-26
META-004The art of cutting (v1 scope)�e9f6e; verdict in the full masterclass2026-06-26
META-005Verifying dated facts�e9f6e; verdict in the full masterclass2026-06-29
META-006Building with AI coding agents as the core process2026�e9f6e; verdict in the full masterclass2026-06-26

Monetization (spans threads — branch point for $model topics) — 1 topic

IDTopicVerdictVerified
MON-001Monetization model selection (decision tree)$modelStart with a one-shot vs. recurring-need test, not a model.2026-07-02

T1 — Security (SEC) — 13 topics

IDTopicVerdictVerified
SEC-001Threat modeling & security architecture�e9f6e; verdict in the full masterclass2026-06-26
SEC-002Encryption in transit & at rest�e9f6e; verdict in the full masterclass2026-06-26
SEC-003Secrets managementUse the native secret store of whatever platform already hosts your backend, plus your CI provider's built-in secrets for the deploy pipeline.2026-07-02
SEC-004Secure SDLC & code-review gates�e9f6e; verdict in the full masterclass2026-06-26
SEC-005Dependency & supply-chain security�e9f6e; verdict in the full masterclass2026-06-26
SEC-006Software Bill of Materials (SBOM)2026�e9f6e; verdict in the full masterclass2026-06-26
SEC-007Input validation & sanitization�e9f6e; verdict in the full masterclass2026-06-26
SEC-008SAST / DAST & secret scanning�e9f6e; verdict in the full masterclass2026-06-26
SEC-009Certificate pinning & client hardening�e9f6e; verdict in the full masterclass2026-06-26
SEC-010Penetration testing & security testing cadence�e9f6e; verdict in the full masterclass2026-06-26
SEC-011Coordinated disclosure & bug bounty�e9f6e; verdict in the full masterclass2026-06-26
SEC-012Incident response & breach notification2026�e9f6e; verdict in the full masterclass2026-07-02
SEC-013Patching & forced-update policy for vulnerabilities�e9f6e; verdict in the full masterclass2026-06-26

T2 — Privacy & data governance (PRV) — 10 topics

IDTopicVerdictVerified
PRV-001Data inventory & mapping�e9f6e; verdict in the full masterclass2026-06-26
PRV-002Data minimization & purpose limitation�e9f6e; verdict in the full masterclass2026-06-26
PRV-003Lawful basis & consent�e9f6e; verdict in the full masterclass2026-06-26
PRV-004Consent-management platform�e9f6e; verdict in the full masterclass2026-06-26
PRV-005Data-export & account/data-deletion machinery�e9f6e; verdict in the full masterclass2026-06-26
PRV-006Retention schedules & automated deletion�e9f6e; verdict in the full masterclass2026-06-26
PRV-007Data residency & cross-border transfer�e9f6e; verdict in the full masterclass2026-06-26
PRV-008Sub-processor / vendor DPAs�e9f6e; verdict in the full masterclass2026-06-26
PRV-009Audit logging & privacy-by-design reviews�e9f6e; verdict in the full masterclass2026-06-26
PRV-010Age-assurance & parental-consent data flows2026�e9f6e; verdict in the full masterclass2026-06-26

T3 — Accessibility (A11Y) — 8 topics

IDTopicVerdictVerified
A11Y-001Conformance target (WCAG 2.2 AA, EAA exposure)Build both your mobile and desktop clients to WCAG 2.2 Level AA from the start, but assert formal conformance to WCAG 2.1 Level AA — the level your binding law actually names — and list 2.2 as your stated roadmap.2026-06-26
A11Y-002Accessibility designed in�e9f6e; verdict in the full masterclass2026-06-26
A11Y-003Screen-reader support (VoiceOver / TalkBack)�e9f6e; verdict in the full masterclass2026-06-26
A11Y-004Dynamic Type, scaling & keyboard navigation�e9f6e; verdict in the full masterclass2026-06-26
A11Y-005Contrast & color-blind-safe visuals�e9f6e; verdict in the full masterclass2026-06-26
A11Y-006Accessibility testing & CI checks�e9f6e; verdict in the full masterclass2026-06-26
A11Y-007Accessibility audit & remediation�e9f6e; verdict in the full masterclass2026-06-26
A11Y-008Apple Accessibility Nutrition Labels�e9f6e; verdict in the full masterclass2026-06-26

T4 — Internationalization & localization (I18N) — 7 topics

IDTopicVerdictVerified
I18N-001i18n architecture (string externalization)�e9f6e; verdict in the full masterclass2026-06-26
I18N-002Localization scope & sequencing�e9f6e; verdict in the full masterclass2026-06-26
I18N-003Text expansion & RTL layout�e9f6e; verdict in the full masterclass2026-06-26
I18N-004Locale formats (date / number / currency)�e9f6e; verdict in the full masterclass2026-06-26
I18N-005Translation pipeline & TMS�e9f6e; verdict in the full masterclass2026-06-29
I18N-006Localized store assets & legal documents�e9f6e; verdict in the full masterclass2026-06-26
I18N-007Region-specific payment methods & availability�e9f6e; verdict in the full masterclass2026-06-26

T5 — Analytics & measurement / instrumentation (ANL) — 8 topics

IDTopicVerdictVerified
ANL-001Tracking plan defined before building�e9f6e; verdict in the full masterclass2026-06-26
ANL-002Product-analytics platform2026�e9f6e; verdict in the full masterclass2026-06-26
ANL-003Instrumentation layer (CDP vs. direct)�e9f6e; verdict in the full masterclass2026-06-26
ANL-004Data pipeline & warehouse�e9f6e; verdict in the full masterclass2026-06-26
ANL-005Funnel / cohort / retention / churn instrumentation�e9f6e; verdict in the full masterclass2026-07-02
ANL-006Experimentation / A-B infrastructure�e9f6e; verdict in the full masterclass2026-06-26
ANL-007Privacy-respecting attribution plumbing2026�e9f6e; verdict in the full masterclass2026-06-26
ANL-008Cookieless / first-party analytics2026�e9f6e; verdict in the full masterclass2026-06-26

T6 — Quality & testing (QA) — 11 topics

IDTopicVerdictVerified
QA-001Test strategy & the pyramidFor a solo or small team building a consumer app with an AI agent, weight the middle.2026-06-26
QA-002E2E & cross-device test tooling[A]�e9f6e; verdict in the full masterclass2026-06-26
QA-003Real-device testing & farm�e9f6e; verdict in the full masterclass2026-06-26
QA-004Performance & load testing�e9f6e; verdict in the full masterclass2026-06-26
QA-005Visual-regression & contract testing�e9f6e; verdict in the full masterclass2026-06-26
QA-006Upgrade & data-migration testing�e9f6e; verdict in the full masterclass2026-06-26
QA-007Privacy & compliance testing�e9f6e; verdict in the full masterclass2026-06-26
QA-008Accessibility & localization testing�e9f6e; verdict in the full masterclass2026-06-26
QA-009AI / LLM evaluation & red-teaming2026�e9f6e; verdict in the full masterclass2026-07-02
QA-010Billing / payment edge-case & SCA testing$model�e9f6e; verdict in the full masterclass2026-06-26
QA-011Release criteria & QA sign-off�e9f6e; verdict in the full masterclass2026-06-26

T7 — Documentation & knowledge (DOC) — 5 topics

IDTopicVerdictVerified
DOC-001Code & API documentation�e9f6e; verdict in the full masterclass2026-06-26
DOC-002Architecture Decision RecordsKeep a single living decision log — one Markdown file, DECISIONS.md, at your repo root — with one short, dated entry per significant decision, newest at the top.2026-06-26
DOC-003Operational runbooks�e9f6e; verdict in the full masterclass2026-06-26
DOC-004User-facing help center & changelogs�e9f6e; verdict in the full masterclass2026-06-26
DOC-005Internal KB, onboarding & bus-factor reduction�e9f6e; verdict in the full masterclass2026-06-26

T8 — Cost / FinOps (FIN) — 5 topics

IDTopicVerdictVerified
FIN-001Recurring-cost modeling�e9f6e; verdict in the full masterclass2026-06-26
FIN-002Cloud cost monitoring & egress awareness�e9f6e; verdict in the full masterclass2026-06-26
FIN-003Build-vs-buy economics�e9f6e; verdict in the full masterclass2026-06-26
FIN-004Store-tax vs. direct-billing economics$model�e9f6e; verdict in the full masterclass2026-06-29
FIN-005Vendor & contract management, renewals�e9f6e; verdict in the full masterclass2026-06-26

T9 — Compliance & regulatory (CMP) — 15 topics

IDTopicVerdictVerified
CMP-001Regulatory go/no-go gate (regulated domains)�e9f6e; verdict in the full masterclass2026-06-26
CMP-002Compliance decision tree by launch market2026�e9f6e; verdict in the full masterclass2026-06-26
CMP-003GDPR / CCPA-CPRA / COPPA / HIPAA scopeBuild GDPR-grade data-subject plumbing on day one, honor opt-out/Global Privacy Control signals, treat health data as regulated even without HIPAA, and scope US state laws by resident-count rather than revenue.2026-06-26
CMP-004Accessibility law (ADA, EAA)�e9f6e; verdict in the full masterclass2026-06-26
CMP-005EU Cyber Resilience Act applicability2026�e9f6e; verdict in the full masterclass2026-07-02
CMP-006EU AI Act classification & obligations2026�e9f6e; verdict in the full masterclass2026-06-26
CMP-007Age-assurance laws2026�e9f6e; verdict in the full masterclass2026-06-26
CMP-008Subscription / auto-renewal & click-to-cancel rules$model�e9f6e; verdict in the full masterclass2026-06-26
CMP-009Deceptive-design / dark-pattern prohibitions�e9f6e; verdict in the full masterclass2026-06-26
CMP-010Content-moderation duties (DSA, DMCA)�e9f6e; verdict in the full masterclass2026-06-26
CMP-011EU DSA trader-status disclosure�e9f6e; verdict in the full masterclass2026-06-26
CMP-012Export / encryption compliance�e9f6e; verdict in the full masterclass2026-06-26
CMP-013Open-source license compliance�e9f6e; verdict in the full masterclass2026-06-26
CMP-014Store-policy compliance�e9f6e; verdict in the full masterclass2026-06-29
CMP-015B2B certifications (SOC 2, ISO 27001)$model�e9f6e; verdict in the full masterclass2026-06-26

T10 — People & process (PPL) — 5 topics

IDTopicVerdictVerified
PPL-001Team shape (solo / co-founder / contractor / agency)�e9f6e; verdict in the full masterclass2026-06-26
PPL-002Co-founder agreement (equity, vesting, decision rights)�e9f6e; verdict in the full masterclass2026-06-26
PPL-003IP-assignment agreements�e9f6e; verdict in the full masterclass2026-06-26
PPL-004Hiring & first-hire timing�e9f6e; verdict in the full masterclass2026-06-26
PPL-005Team process as you grow (and when not to bother)�e9f6e; verdict in the full masterclass2026-06-26

T11 — Finance & funding (FUND) — 5 topics

IDTopicVerdictVerified
FUND-001Entity formation & banking�e9f6e; verdict in the full masterclass2026-06-26
FUND-002Bookkeeping & tax compliance�e9f6e; verdict in the full masterclass2026-06-26
FUND-003Runway & resourcing math�e9f6e; verdict in the full masterclass2026-06-26
FUND-004Fundraise or bootstrap�e9f6e; verdict in the full masterclass2026-06-26
FUND-005The investor track�e9f6e; verdict in the full masterclass2026-06-26

T12 — Ethics & responsible design (ETH) — 5 topics

IDTopicVerdictVerified
ETH-001Dark-pattern audit & ethical-flow review�e9f6e; verdict in the full masterclass2026-06-26
ETH-002Inclusive & non-discriminatory design�e9f6e; verdict in the full masterclass2026-06-26
ETH-003Humane engagement & notification design�e9f6e; verdict in the full masterclass2026-06-26
ETH-004Transparency about data & AI use�e9f6e; verdict in the full masterclass2026-06-26
ETH-005Safety-by-design for social / UGC�e9f6e; verdict in the full masterclass2026-06-26

T13 — AI / ML lifecycle (AI) — 19 topics

IDTopicVerdictVerified
AI-001Is ML the right tool? (problem framing)�e9f6e; verdict in the full masterclass2026-06-26
AI-002Build-vs-buy: hosted API vs. open-weights vs. fine-tunedFor your first shipped product and the first 12–18 months: use a hosted API.2026-06-26
AI-003Model selection & benchmarking�e9f6e; verdict in the full masterclass2026-06-26
AI-004Inference hosting & serving�e9f6e; verdict in the full masterclass2026-06-26
AI-005AI-native feature & product decisions[A]�e9f6e; verdict in the full masterclass2026-06-26
AI-006On-device vs. cloud inference2026�e9f6e; verdict in the full masterclass2026-06-26
AI-007Prompt design & versioning�e9f6e; verdict in the full masterclass2026-06-26
AI-008RAG: vector store, embeddings, chunking�e9f6e; verdict in the full masterclass2026-06-26
AI-009Agentic features: tool-calling, MCP & orchestration2026�e9f6e; verdict in the full masterclass2026-06-26
AI-010Fine-tuning / distillation / adapters�e9f6e; verdict in the full masterclass2026-06-26
AI-011Training-data sourcing & governance�e9f6e; verdict in the full masterclass2026-06-20
AI-012Evaluation harness�e9f6e; verdict in the full masterclass2026-06-26
AI-013Safety guardrails�e9f6e; verdict in the full masterclass2026-06-26
AI-014Hallucination management & grounding�e9f6e; verdict in the full masterclass2026-06-26
AI-015AI content provenance & marking2026�e9f6e; verdict in the full masterclass2026-06-26
AI-016Cost, token budgeting, caching & fallback2026�e9f6e; verdict in the full masterclass2026-06-26
AI-017AI observability & drift monitoring�e9f6e; verdict in the full masterclass2026-06-26
AI-018Human-in-the-loop & escalation�e9f6e; verdict in the full masterclass2026-06-26
AI-019Model governance & responsible-AI review�e9f6e; verdict in the full masterclass2026-06-26

T14 — Payments, billing & monetization mechanics (PAY) — 20 topics

IDTopicVerdictVerified
PAY-001Payment-method coverage$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-002PCI-DSS scope minimization�e9f6e; verdict in the full masterclass2026-06-26
PAY-003Payment-processor selection$modelThere are two co-defaults, split by where the money is and how much ops you can carry.2026-07-02
PAY-004Store billing vs. direct billing & external links$model�e9f6e; verdict in the full masterclass2026-07-02
PAY-005Subscription billing state machine$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-006Trials & introductory offers$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-007Proration, upgrades & plan changes$model�e9f6e; verdict in the full masterclass2026-06-29
PAY-008Server-side receipt validation & restore purchases$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-009Store-to-server notifications & idempotent webhooks$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-010SCA / 3-D Secure & fraud screening$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-011Dunning & involuntary-churn recovery$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-012Refunds, disputes & chargeback management$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-013Invoicing & receipts$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-014Sales tax / VAT / GST calculation & remittance$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-015Revenue recognition, reconciliation & subscription analytics$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-016Entitlement management & cross-device sync[A] $model�e9f6e; verdict in the full masterclass2026-06-26
PAY-017Marketplace payouts, KYC & escrow$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-018In-app advertising & ad mediation$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-019Billing-support & compliant cancellation$model�e9f6e; verdict in the full masterclass2026-06-26
PAY-020Currency & price localization, price-change migration$model�e9f6e; verdict in the full masterclass2026-07-02

T15 — Growth economics & GTM measurement (GRO) — 13 topics

IDTopicVerdictVerified
GRO-001Unit economics (CAC, LTV, ratio, payback, margin)Build a small spreadsheet, measure cost-per-payer (never per-install), and gate on two numbers: CAC payback first, LTV:CAC second.2026-07-02
GRO-002The living growth model�e9f6e; verdict in the full masterclass2026-07-02
GRO-003Cohort retention & resurrection curves�e9f6e; verdict in the full masterclass2026-06-26
GRO-004Funnel conversion & engagement (DAU/WAU/MAU)�e9f6e; verdict in the full masterclass2026-07-02
GRO-005North-star metric & input metrics�e9f6e; verdict in the full masterclass2026-06-26
GRO-006Channel economics & ROAS�e9f6e; verdict in the full masterclass2026-07-02
GRO-007Budget allocation & diminishing-returns analysis�e9f6e; verdict in the full masterclass2026-07-02
GRO-008Attribution in the post-privacy era2026�e9f6e; verdict in the full masterclass2026-06-26
GRO-009Incrementality & geo / holdout testing�e9f6e; verdict in the full masterclass2026-07-02
GRO-010Marketing-mix modeling (MMM)�e9f6e; verdict in the full masterclass2026-06-26
GRO-011Growth loops & referral economics�e9f6e; verdict in the full masterclass2026-07-02
GRO-012Paywall & pricing experimentation$model�e9f6e; verdict in the full masterclass2026-06-26
GRO-013Forecasting, scenario & sensitivity analysis�e9f6e; verdict in the full masterclass2026-06-29

Phase 0 — Idea & problem validation (VAL) — 11 topics

IDTopicVerdictVerified
VAL-001Problem definition, job-to-be-done & solution hypothesisScale your discovery effort to your build cost and reversibility — not to a fixed number of weeks or interviews.2026-06-26
VAL-002Market sizing (TAM/SAM/SOM) & growth direction�e9f6e; verdict in the full masterclass2026-07-02
VAL-003Competitive analysis�e9f6e; verdict in the full masterclass2026-06-26
VAL-004Target-user definition (personas, segments)�e9f6e; verdict in the full masterclass2026-06-26
VAL-005Primary user research�e9f6e; verdict in the full masterclass2026-06-26
VAL-006Demand-validation method�e9f6e; verdict in the full masterclass2026-06-26
VAL-007Willingness-to-pay & switching-cost research�e9f6e; verdict in the full masterclass2026-06-26
VAL-008Differentiation / moat & value proposition�e9f6e; verdict in the full masterclass2026-06-26
VAL-009Naming & availability�e9f6e; verdict in the full masterclass2026-06-26
VAL-010Founder–market fit�e9f6e; verdict in the full masterclass2026-06-26
VAL-011Build vs. low-code / no-code2026�e9f6e; verdict in the full masterclass2026-06-26

Phase 1 — Strategy, scope & business model (STR) — 7 topics

IDTopicVerdictVerified
STR-001Product vision & north star�e9f6e; verdict in the full masterclass2026-06-26
STR-002Success metrics / KPIs�e9f6e; verdict in the full masterclass2026-06-26
STR-003Business-model choice$model�e9f6e; verdict in the full masterclass2026-06-29
STR-004Pricing hypothesis & packaging / tiers$model�e9f6e; verdict in the full masterclass2026-06-29
STR-005MVP vs. full vision & feature prioritization�e9f6e; verdict in the full masterclass2026-06-26
STR-006Requirements & user/job stories�e9f6e; verdict in the full masterclass2026-06-26
STR-007Roadmap, risk log & kill criteria�e9f6e; verdict in the full masterclass2026-06-26
IDTopicVerdictVerified
LEG-001Developer-account setup�e9f6e; verdict in the full masterclass2026-06-26
LEG-002Privacy policy & ToS / EULA�e9f6e; verdict in the full masterclass2026-06-26
LEG-003Trademark & IP protection�e9f6e; verdict in the full masterclass2026-06-22
LEG-004Insurance�e9f6e; verdict in the full masterclass2026-06-26
LEG-005Cookie / tracking-consent mechanism�e9f6e; verdict in the full masterclass2026-06-26
LEG-006UGC legal stack�e9f6e; verdict in the full masterclass2026-06-22
LEG-007[B] legal/brand/store duplication[B]�e9f6e; verdict in the full masterclass2026-07-02

Phase 3 — UX (experience) design (UX) — 11 topics

IDTopicVerdictVerified
UX-001Information architecture & screen inventory�e9f6e; verdict in the full masterclass2026-06-26
UX-002User flows & journey maps�e9f6e; verdict in the full masterclass2026-06-26
UX-003Navigation: mobile vs. desktop divergence[A]�e9f6e; verdict in the full masterclass2026-06-26
UX-004Wireframes & interaction design�e9f6e; verdict in the full masterclass2026-06-26
UX-005Onboarding & activation funnel2026Get a new user to one real, value-proving action — their aha-moment — inside the first session, ideally the first few minutes.2026-06-26
UX-006Content strategy & UX writing�e9f6e; verdict in the full masterclass2026-06-26
UX-007Prototype & usability testing�e9f6e; verdict in the full masterclass2026-06-26
UX-008Error-prevention & recovery design�e9f6e; verdict in the full masterclass2026-06-26
UX-009Permission-priming & notification strategy�e9f6e; verdict in the full masterclass2026-06-29
UX-010Trust-and-safety & consent/privacy UX�e9f6e; verdict in the full masterclass2026-06-26
UX-011Monetization UX$model�e9f6e; verdict in the full masterclass2026-06-29

Phase 4 — UI (visual) & brand design (UI) — 10 topics

IDTopicVerdictVerified
UI-001Brand identity�e9f6e; verdict in the full masterclass2026-06-26
UI-002App-icon design & size variants�e9f6e; verdict in the full masterclass2026-06-26
UI-003Design system / tokens / component library & design ops�e9f6e; verdict in the full masterclass2026-06-26
UI-004High-fidelity mockups�e9f6e; verdict in the full masterclass2026-07-02
UI-005Platform design-language compliance[A]�e9f6e; verdict in the full masterclass2026-06-26
UI-006Light / dark mode & all states�e9f6e; verdict in the full masterclass2026-06-26
UI-007Motion / animation design�e9f6e; verdict in the full masterclass2026-06-29
UI-008Asset production, export & marketing visuals�e9f6e; verdict in the full masterclass2026-06-29
UI-009Design handoff & design-QA criteria�e9f6e; verdict in the full masterclass2026-06-29
UI-010Accessible visual specifics�e9f6e; verdict in the full masterclass2026-06-26

Phase 5 — Technical architecture (ARC) — 25 topics

IDTopicVerdictVerified
ARC-001System architecture (client-server / offline-first)[A]�e9f6e; verdict in the full masterclass2026-06-26
ARC-002Data model / schema�e9f6e; verdict in the full masterclass2026-06-26
ARC-003API design (REST vs. GraphQL)�e9f6e; verdict in the full masterclass2026-06-26
ARC-004Auth & authorization architecture�e9f6e; verdict in the full masterclass2026-06-26
ARC-005Passkeys / passwordless as default2026�e9f6e; verdict in the full masterclass2026-06-26
ARC-006Mobile stack[A]Start by answering one question: what is your desktop client? It decides the mobile stack more than any benchmark.2026-07-02
ARC-007Desktop stack & update mechanism[A]�e9f6e; verdict in the full masterclass2026-06-26
ARC-008Backend language & framework�e9f6e; verdict in the full masterclass2026-06-26
ARC-009Database choice & caching[A] [B]�e9f6e; verdict in the full masterclass2026-06-26
ARC-010Cloud / hosting + CDN & edge delivery�e9f6e; verdict in the full masterclass2026-06-26
ARC-011Third-party services selection�e9f6e; verdict in the full masterclass2026-06-29
ARC-012Offline & cross-device sync strategy[A]�e9f6e; verdict in the full masterclass2026-06-26
ARC-013Real-time & presence architecture2026�e9f6e; verdict in the full masterclass2026-06-22
ARC-014Offline & connectivity resilience2026�e9f6e; verdict in the full masterclass2026-06-29
ARC-015Search architecture2026�e9f6e; verdict in the full masterclass2026-06-29
ARC-016Scalability, reliability & capacity plan�e9f6e; verdict in the full masterclass2026-06-26
ARC-017API versioning & forced-update / kill-switch�e9f6e; verdict in the full masterclass2026-06-26
ARC-018Feature-flag & remote-config infrastructure�e9f6e; verdict in the full masterclass2026-06-26
ARC-019Observability architecture & performance budgets2026�e9f6e; verdict in the full masterclass2026-06-26
ARC-020Analytics & data-pipeline architecture�e9f6e; verdict in the full masterclass2026-06-26
ARC-021Consent, data-residency & retention architecture�e9f6e; verdict in the full masterclass2026-06-29
ARC-022Abuse prevention�e9f6e; verdict in the full masterclass2026-06-26
ARC-023Payment & billing architecture (integration)$model�e9f6e; verdict in the full masterclass2026-06-26
ARC-024AI / ML component plan (integration)�e9f6e; verdict in the full masterclass2026-06-22
ARC-025[A] canonical backend & identity / [B] coordination[A] [B]�e9f6e; verdict in the full masterclass2026-06-26

Phase 6 — Environment & foundations setup (ENV) — 13 topics

IDTopicVerdictVerified
ENV-001Source control & repo structure[A] [B]�e9f6e; verdict in the full masterclass2026-06-26
ENV-002Project scaffolding per app�e9f6e; verdict in the full masterclass2026-06-26
ENV-003Local dev environments�e9f6e; verdict in the full masterclass2026-06-26
ENV-004Dependency management�e9f6e; verdict in the full masterclass2026-06-26
ENV-005Linting, formatting & coding standards�e9f6e; verdict in the full masterclass2026-06-26
ENV-006CI / CD pipeline orchestration�e9f6e; verdict in the full masterclass2026-06-26
ENV-007Environments (dev / staging / prod)�e9f6e; verdict in the full masterclass2026-06-26
ENV-008Secrets management in CI�e9f6e; verdict in the full masterclass2026-06-26
ENV-009Issue tracking & PM tooling�e9f6e; verdict in the full masterclass2026-07-02
ENV-010Branching strategy & code review�e9f6e; verdict in the full masterclass2026-06-26
ENV-011Containerization & IaC�e9f6e; verdict in the full masterclass2026-06-26
ENV-012Test/seed data & mock services�e9f6e; verdict in the full masterclass2026-07-02
ENV-013Developer-onboarding runbookMake onboarding script-first, not prose-first.2026-06-26

Phase 7 — Backend & infrastructure (BE) — 22 topics

IDTopicVerdictVerified
BE-001Database setup & migrationsUse your ORM's native migration layer — Drizzle Kit (TypeScript/Node, matching the Drizzle ORM default chosen in ARC-008) or Alembic (Python) — version every migration as a reviewed file in Git, and apply migrations in a CI/CD step that runs before your app code deploys.2026-07-02
BE-002API / server implementation�e9f6e; verdict in the full masterclass2026-06-26
BE-003Authentication implementation�e9f6e; verdict in the full masterclass2026-06-26
BE-004Authorization / roles�e9f6e; verdict in the full masterclass2026-06-26
BE-005Core business logic�e9f6e; verdict in the full masterclass2026-06-26
BE-006Third-party integrations�e9f6e; verdict in the full masterclass2026-06-26
BE-007File / media storage�e9f6e; verdict in the full masterclass2026-06-26
BE-008Background jobs / queues�e9f6e; verdict in the full masterclass2026-06-26
BE-009Caching�e9f6e; verdict in the full masterclass2026-06-26
BE-010Search implementation�e9f6e; verdict in the full masterclass2026-06-26
BE-011Webhooks (idempotent)�e9f6e; verdict in the full masterclass2026-06-26
BE-012Admin tools / dashboards�e9f6e; verdict in the full masterclass2026-06-26
BE-013Logging, monitoring & error tracking�e9f6e; verdict in the full masterclass2026-06-26
BE-014Backup & disaster recovery�e9f6e; verdict in the full masterclass2026-06-26
BE-015Email deliverability�e9f6e; verdict in the full masterclass2026-06-26
BE-016Notification orchestration�e9f6e; verdict in the full masterclass2026-06-24
BE-017GDPR / CCPA machinery�e9f6e; verdict in the full masterclass2026-06-30
BE-018Billing backend (integration)$model�e9f6e; verdict in the full masterclass2026-06-26
BE-019Marketplace payouts backend$model�e9f6e; verdict in the full masterclass2026-06-26
BE-020AI / ML serving & integration (integration)�e9f6e; verdict in the full masterclass2026-06-26
BE-021SBOM generation in the build2026�e9f6e; verdict in the full masterclass2026-06-26
BE-022[B] backend duplication *(ptr)*[B]�e9f6e; verdict in the full masterclass2026-06-18

Phase 8 — Mobile app build (MOB) — 23 topics

IDTopicVerdictVerified
MOB-001Project setup (shared base + native bits)�e9f6e; verdict in the full masterclass2026-06-29
MOB-002Navigation & UI from designs�e9f6e; verdict in the full masterclass2026-06-26
MOB-003State management�e9f6e; verdict in the full masterclass2026-06-26
MOB-004API / networking & local persistence�e9f6e; verdict in the full masterclass2026-06-26
MOB-005Auth flows�e9f6e; verdict in the full masterclass2026-06-26
MOB-006Push notifications (APNs / FCM)�e9f6e; verdict in the full masterclass2026-06-29
MOB-007Deep linking & deferred deep linking�e9f6e; verdict in the full masterclass2026-06-24
MOB-008Device features & permissions�e9f6e; verdict in the full masterclass2026-06-26
MOB-009IAP & subscriptions$model�e9f6e; verdict in the full masterclass2026-06-26
MOB-010App Tracking Transparency prompt�e9f6e; verdict in the full masterclass2026-06-26
MOB-011Analytics & crash reporting�e9f6e; verdict in the full masterclass2026-06-26
MOB-012Accessibility & localization�e9f6e; verdict in the full masterclass2026-06-26
MOB-013Responsive layout (notches, foldables, tablets)2026�e9f6e; verdict in the full masterclass2026-06-26
MOB-014App-lifecycle & forced-update UI�e9f6e; verdict in the full masterclass2026-06-26
MOB-015In-app account deletion�e9f6e; verdict in the full masterclass2026-06-26
MOB-016Age-assurance & parental-consent gating2026�e9f6e; verdict in the full masterclass2026-06-26
MOB-017App-size, battery & network efficiency�e9f6e; verdict in the full masterclass2026-06-26
MOB-018Offline queue & optimistic UI�e9f6e; verdict in the full masterclass2026-06-26
MOB-019Certificate pinning & client hardening�e9f6e; verdict in the full masterclass2026-06-26
MOB-020AI-feature UX2026�e9f6e; verdict in the full masterclass2026-06-26
MOB-021Platform extensions�e9f6e; verdict in the full masterclass2026-06-26
MOB-022Feedback / review prompt & referral mechanics�e9f6e; verdict in the full masterclass2026-06-26
MOB-023Ads integration$model�e9f6e; verdict in the full masterclass2026-06-26

Phase 9 — Desktop app build (DSK) — 16 topics

IDTopicVerdictVerified
DSK-001Project setup�e9f6e; verdict in the full masterclass2026-06-26
DSK-002Window, menu & tray managementUse the framework's native window/menu/tray APIs, and use the maintained window-state plugin rather than writing your own serializer.2026-06-26
DSK-003UI, state & API integration�e9f6e; verdict in the full masterclass2026-06-26
DSK-004Local storage, offline & file-system access�e9f6e; verdict in the full masterclass2026-06-26
DSK-005Auth flows�e9f6e; verdict in the full masterclass2026-06-26
DSK-006Native OS integrations & URL-scheme deep linking�e9f6e; verdict in the full masterclass2026-06-26
DSK-007Auto-update mechanism�e9f6e; verdict in the full masterclass2026-06-29
DSK-008Per-OS conventions�e9f6e; verdict in the full masterclass2026-06-26
DSK-009Direct licensing / payment$model�e9f6e; verdict in the full masterclass2026-06-26
DSK-010Analytics & crash reporting�e9f6e; verdict in the full masterclass2026-06-26
DSK-011Accessibility & localization�e9f6e; verdict in the full masterclass2026-06-26
DSK-012Resource usage / performance�e9f6e; verdict in the full masterclass2026-06-26
DSK-013Installer / uninstaller & packaging�e9f6e; verdict in the full masterclass2026-06-26
DSK-014Code signing & hardened runtime�e9f6e; verdict in the full masterclass2026-06-26
DSK-015High-DPI / Retina / multi-monitor scaling�e9f6e; verdict in the full masterclass2026-06-26
DSK-016Crash recovery, session restore & launch-at-startup�e9f6e; verdict in the full masterclass2026-06-26

Phase 10 — Cross-platform integration (XP) — 6 topics

IDTopicVerdictVerified
XP-001[A] shared code / backend / design components[A]�e9f6e; verdict in the full masterclass2026-06-26
XP-002[A] cross-device sync & unified accounts[A]�e9f6e; verdict in the full masterclass2026-07-02
XP-003[A] feature parity & consistent experience[A]�e9f6e; verdict in the full masterclass2026-06-26
XP-004[A] sync conflict resolution & presence/handoff[A]�e9f6e; verdict in the full masterclass2026-06-26
XP-005[A] cross-device sync testing[A]�e9f6e; verdict in the full masterclass2026-06-26
XP-006[B] two-product coordination[B]�e9f6e; verdict in the full masterclass2026-06-26

Phase 11 — Quality assurance & testing (TST) — 11 topics

IDTopicVerdictVerified
TST-001Test plan & coverage execution�e9f6e; verdict in the full masterclass2026-06-26
TST-002Device & OS-matrix testing�e9f6e; verdict in the full masterclass2026-06-26
TST-003Regression, smoke & backward-compatibility�e9f6e; verdict in the full masterclass2026-07-02
TST-004Security testing & vulnerability scanning *(ptr)*�e9f6e; verdict in the full masterclass2026-06-18
TST-005Accessibility audit & localization testing�e9f6e; verdict in the full masterclass2026-06-26
TST-006Usability testing with real users�e9f6e; verdict in the full masterclass2026-06-26
TST-007Beta program & crash/feedback monitoring�e9f6e; verdict in the full masterclass2026-06-26
TST-008AI evaluation & red-teaming run *(ptr)*�e9f6e; verdict in the full masterclass2026-06-18
TST-009Billing / payment edge-case & SCA testing *(ptr)*$model�e9f6e; verdict in the full masterclass2026-06-18
TST-010Bug triage & release sign-off�e9f6e; verdict in the full masterclass2026-06-26
TST-011[A] cross-device sync suite / [B] two-product runs[A] [B]�e9f6e; verdict in the full masterclass2026-06-26

Phase 12 — Store & distribution prep (SHIP) — 14 topics

IDTopicVerdictVerified
SHIP-001Store listing & ASOShip one clear, honest, well-crafted listing per store, earn retention and ratings first, and treat formal A/B testing as a later graduation step — not a launch-day activity.2026-07-02
SHIP-002Screenshots & preview videos (localized)�e9f6e; verdict in the full masterclass2026-06-26
SHIP-003Privacy disclosures (labels / Data Safety)�e9f6e; verdict in the full masterclass2026-06-26
SHIP-004Accessibility Nutrition Labels & age/content ratings�e9f6e; verdict in the full masterclass2026-06-26
SHIP-005Code signing, notarization & provisioning�e9f6e; verdict in the full masterclass2026-06-29
SHIP-006Build artifacts, versioning & changelog�e9f6e; verdict in the full masterclass2026-06-26
SHIP-007Pricing, availability & pre-order per store/region$model�e9f6e; verdict in the full masterclass2026-06-26
SHIP-008App-review submission & rejection handling�e9f6e; verdict in the full masterclass2026-06-26
SHIP-009Desktop distribution channels�e9f6e; verdict in the full masterclass2026-06-29
SHIP-010Marketing website & legal pages live�e9f6e; verdict in the full masterclass2026-06-26
SHIP-011Support infrastructure�e9f6e; verdict in the full masterclass2026-07-02
SHIP-012Production monitoring & export-compliance verified�e9f6e; verdict in the full masterclass2026-06-26
SHIP-013Release runbook, rollback & staged-rollout config�e9f6e; verdict in the full masterclass2026-06-26
SHIP-014EU CRA conformity documentation2026�e9f6e; verdict in the full masterclass2026-06-26

Phase 13 — Go-to-market & marketing (GTM) — 17 topics

IDTopicVerdictVerified
GTM-001Positioning & messaging�e9f6e; verdict in the full masterclass2026-06-26
GTM-002Conversion-optimized website / landing page�e9f6e; verdict in the full masterclass2026-06-30
GTM-003Pre-launch audience building�e9f6e; verdict in the full masterclass2026-06-26
GTM-004Content marketing & SEO�e9f6e; verdict in the full masterclass2026-06-26
GTM-005Community presence�e9f6e; verdict in the full masterclass2026-06-29
GTM-006PR & press kit�e9f6e; verdict in the full masterclass2026-06-26
GTM-007Influencer / creator outreach�e9f6e; verdict in the full masterclass2026-06-26
GTM-008Launch-platform strategy�e9f6e; verdict in the full masterclass2026-06-26
GTM-009Paid acquisition channels�e9f6e; verdict in the full masterclass2026-06-26
GTM-010Attribution & MMP setup2026�e9f6e; verdict in the full masterclass2026-06-26
GTM-011Lifecycle email & push (CRM)�e9f6e; verdict in the full masterclass2026-06-26
GTM-012Referral / virality mechanics�e9f6e; verdict in the full masterclass2026-06-26
GTM-013Budget & channel allocation�e9f6e; verdict in the full masterclass2026-06-26
GTM-014App-store editorial / featuring pitch�e9f6e; verdict in the full masterclass2026-06-26
GTM-015Partnerships / co-marketing / affiliate�e9f6e; verdict in the full masterclass2026-06-24
GTM-016B2B / enterprise sales motion$model�e9f6e; verdict in the full masterclass2026-06-26
GTM-017[A] one motion / [B] two motions[A] [B]�e9f6e; verdict in the full masterclass2026-06-26

Phase 14 — Launch (LAU) — 5 topics

IDTopicVerdictVerified
LAU-001Soft launch / phased rollout�e9f6e; verdict in the full masterclass2026-06-26
LAU-002Real-time launch monitoring�e9f6e; verdict in the full masterclass2026-06-26
LAU-003Support readiness & hotfix capability�e9f6e; verdict in the full masterclass2026-06-26
LAU-004Public launch & day-of coordination�e9f6e; verdict in the full masterclass2026-06-26
LAU-005Launch-day runbook & go/no-go�e9f6e; verdict in the full masterclass2026-06-26

Phase 15 — Post-launch operations (OPS) — 11 topics

IDTopicVerdictVerified
OPS-001Monitoring, alerting, SLOs & launch-readiness ops�e9f6e; verdict in the full masterclass2026-06-26
OPS-002Crash triage & patch releases�e9f6e; verdict in the full masterclass2026-06-26
OPS-003Customer support & ticketing2026�e9f6e; verdict in the full masterclass2026-06-26
OPS-004Community & app-store review management�e9f6e; verdict in the full masterclass2026-06-26
OPS-005Incident management�e9f6e; verdict in the full masterclass2026-06-26
OPS-006Ongoing OS / store-policy compliance�e9f6e; verdict in the full masterclass2026-06-26
OPS-007Dependency & security updates�e9f6e; verdict in the full masterclass2026-06-26
OPS-008Security operations *(ptr)*�e9f6e; verdict in the full masterclass2026-06-18
OPS-009Subscription operations$model�e9f6e; verdict in the full masterclass2026-06-26
OPS-010AI operations�e9f6e; verdict in the full masterclass2026-06-26
OPS-011Content moderation & trust-and-safety ops$model�e9f6e; verdict in the full masterclass2026-06-26

Phase 16 — Growth, retention & iteration (ITER) — 10 topics

IDTopicVerdictVerified
ITER-001Product analytics & funnel analysis�e9f6e; verdict in the full masterclass2026-06-26
ITER-002A/B testing & experimentation velocity�e9f6e; verdict in the full masterclass2026-06-26
ITER-003Onboarding & retention optimization�e9f6e; verdict in the full masterclass2026-06-26
ITER-004Churn analysis & win-back$model�e9f6e; verdict in the full masterclass2026-06-26
ITER-005Monetization optimization$model�e9f6e; verdict in the full masterclass2026-07-02
ITER-006Referral / growth-loop optimization�e9f6e; verdict in the full masterclass2026-06-26
ITER-007Cohort analysis & data-informed roadmap�e9f6e; verdict in the full masterclass2026-06-26
ITER-008In-app review prompts & feedback loop�e9f6e; verdict in the full masterclass2026-06-26
ITER-009BI on the data warehouse�e9f6e; verdict in the full masterclass2026-06-26
ITER-010Unit-economics & channel-ROAS review�e9f6e; verdict in the full masterclass2026-06-26

Phase 17 — Scaling & maturity (SCA) — 14 topics

IDTopicVerdictVerified
SCA-001Infrastructure scaling�e9f6e; verdict in the full masterclass2026-06-26
SCA-002Team building & hiring *(ptr)*�e9f6e; verdict in the full masterclass2026-06-18
SCA-003Process maturation & governance�e9f6e; verdict in the full masterclass2026-06-26
SCA-004Financial operations & ongoing tax/audit�e9f6e; verdict in the full masterclass2026-06-26
SCA-005Internationalization / new-market expansion�e9f6e; verdict in the full masterclass2026-06-26
SCA-006Platform expansion�e9f6e; verdict in the full masterclass2026-06-26
SCA-007Partnerships / B2B / enterprise motions$model�e9f6e; verdict in the full masterclass2026-06-26
SCA-008Fundraising *(ptr)*�e9f6e; verdict in the full masterclass2026-06-18
SCA-009Technical-debt management�e9f6e; verdict in the full masterclass2026-06-26
SCA-010Compliance evolution (SOC 2 / ISO 27001)$model�e9f6e; verdict in the full masterclass2026-06-26
SCA-011Deprecation / sunset planning�e9f6e; verdict in the full masterclass2026-06-26
SCA-012Vendor / contract management & renewals *(ptr)*�e9f6e; verdict in the full masterclass2026-06-18
SCA-013Knowledge management & bus-factor reduction *(ptr)*�e9f6e; verdict in the full masterclass2026-06-18
SCA-014M&A / due-diligence readiness�e9f6e; verdict in the full masterclass2026-06-26

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