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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 | Jul 23, 2026 |
|---|---|---|
| Claude Fable 5 | ||
| Claude Opus 4.8 | ||
| Claude Sonnet 4.6 | ||
| Claude Haiku 4.5 | ||
| GPT-5.5 | ||
| GPT-5.6 Sol | — |
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 23, 2026- 1FlutterDelivers near-native performance and pixel-perfect consistent UI across iOS and Android from a single Dart codebase with excellent tooling and hot reload.
- 2React NativeLets you leverage JavaScript/React skills and a massive ecosystem while rendering true native components on both platforms.
- 3Kotlin MultiplatformIdeal if you want fully native UIs while sharing business logic in Kotlin, with strong backing from Google and JetBrains.