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Cross-platform mobile
I want to build a cross-platform mobile app (iOS + Android) from one codebase. Which framework should I use? Give your ranked top 3.
Top pick by run
| Model | Jul 3, 2026 |
|---|---|
| Claude Fable 5 | |
| Claude Opus 4.8 | |
| Claude Sonnet 4.6 | |
| Claude Haiku 4.5 | |
| GPT-5.5 |
Each column is one run. Click a pick to see that model's full ranking and reasoning. Green marks a change from the previous run.
Claude Fable 5
Jul 3, 2026- 1FlutterGoogle's Flutter delivers near-native performance and pixel-perfect consistent UI on both iOS and Android from a single Dart codebase with excellent tooling and hot reload.
- 2React NativeReact Native lets you leverage JavaScript/React skills and a massive ecosystem (plus Expo for faster development) while rendering true native UI components on both platforms.
- 3Kotlin MultiplatformKotlin Multiplatform (with Compose Multiplatform) lets you share business logic—and increasingly UI—across iOS and Android while retaining full native interoperability where needed.