Cross-Platform Consistency
Day 19 of 30 · The Playbook 2026 – Masterclass for Designers
Align tokens, components, and patterns across web/iOS/Android.
Learning Goal
- Platform mapping: what is shared, what is native-specific.
- Token export to web/ios/android.
- Component divergence rules: when allowed (e.g., date picker).
- Document examples and bans.
Why This Matters
- Users expect native patterns but same brand.
- Single source reduces maintenance.
- Diverge only with rationale.
Explanation
- Shared: color, type, icons, tone.
- Different: navigation patterns, native inputs.
- Rule: documented divergence + reason + tracking.
Examples
Bad: Web and mobile use different brand palettes.
Good: Same brand tokens; native navigation allowed.
Guided Exercise
- Create platform mapping table: shared elements, divergent patterns.
- Define divergence approval process.
- Document token export pipeline.
Independent Exercise
Pick a component (modal) and note platform differences.
Self-Check
- Platform mapping exists.
- Divergences documented and justified.
- Token export known.
Optional Deepening
- Apple HIG: https://developer.apple.com/design/human-interface-guidelines/
- Material (Android): https://m3.material.io