Flutter
Google's Dart-based UI framework. Single codebase + Skia render engine.
Best for
- →MVP + product validation (4-6 week target)
- →Premium brands where UI consistency is critical
- →Animation-heavy and custom design systems
- →B2C apps (e-commerce, finance, clinic)
Pros
- +~95% native performance via Skia (UI rendered by Skia, not platform)
- +Single codebase covers iOS + Android + web + desktop
- +Google Material 3 + Cupertino widget set is mature
- +Hot reload boosts developer productivity 2-3x
Cons
- −Dart learning curve (new paradigm)
- −JavaScript/TypeScript teams need re-training
- −Bundle size slightly larger than native (15-25 MB initial)
- −Native API delay (new iOS/Android features land 1-3 months later)
Pricing
Open source. Build: $7-22K (4-7 week MVP).