How do Flutter and React Native compare in performance, UI consistency, and adoption in 2025?

Evaluates rendering engines, design control, ecosystem growth, and real-world popularity of Flutter vs React Native.

• Flutter, using Google's Impeller engine, provides pixel-perfect, consistent UI across platforms with high animation fidelity. • React Native, now bridging natively with JSI and Hermes, remains strong due to its mature JavaScript ecosystem and broad developer adoption—but Flutter is rapidly catching up in performance and adoption with ~170K GitHub stars vs React Native’s 120K and roughly 30% of new iOS apps built on Flutter in 2024 Tags: flutter, react-native, cross-platform, performance, ui