Craft
- Calm UI – clear hierarchy, generous spacing, no visual noise.
- Micro-interactions – tiny transitions that make actions feel inevitable.
- Intentional copy – short, friendly, helpful; never hype.
Testing
Device matrix
6 Android buckets (small, normal, large, xlarge; low+mid RAM) + 2 iPhone sizes (Mini/SE & Pro Max).
Performance budgets
Android cold start ≤1.5s; bundle size targets; 60fps interactions.
Automated checks
Basic unit/UI tests per template; lint; store metadata validation.
Manual QA
Onboarding flows, notifications, purchases/restore, offline behavior, edge cases.
Review readiness
- Metadata validation (names, icons, screenshots, categories)
- Privacy policy templates and support contact
- Common review fixes prepared (sign-in notes, data handling, age rating)
Metrics we track
- Crash-free users %
- Time to interactive (TTI)
- Retention D1 / D7
- Paywall view → purchase