The best React Native debugging tools in 2026

The official, built-in debugger since React Native 0.76 — the replacement for the deprecated Flipper. Press j in Metro and you get a Chrome DevTools frontend attached to Hermes: console, source-level breakpoints, the React component tree, and the React profiler. It's first-party, reliable, and free — there is no reason not to use it, and nothing else on this list replaces it for stepping through code. Its limits are the other half of debugging: network inspection is minimal, and there are no storage, state-library, or production-capable tools.

Our tool. React Buoy is a floating in-app menu with 14 installable devtools: network inspector, AsyncStorage/MMKV browser, React Query devtools, Redux/Zustand/Jotai tools, on-device performance benchmarks, console, env inspector, and more. Because the tools ship inside the app, they work in dev, staging, and production — QA and support can open them on their own phones. A desktop dashboard mirrors everything to a big screen, and an MCP server lets AI agents (Claude Code, Cursor) read the live app and drive benchmarks.

Honest limits: it's React Native/Expo only (no native iOS/Android apps), it doesn't do breakpoint debugging (use RN DevTools), and while the on-device tools are free, the desktop dashboard and MCP server are paid Pro features.

Infinite Red's free, open-source desktop app has been a community staple for years: your dev build streams API requests, Redux or MobX-State-Tree state, custom events, and timings to your computer. Setup is a small dev-only dependency, and it's actively maintained. If you debug alone at a desk against dev builds and want to spend nothing, pick Reactotron. Its model is its limit: dev-only, desktop-tethered, so bugs on a tester's phone or in production are out of reach. See our full React Buoy vs Reactotron comparison.

Software Mansion's paid VS Code/Cursor extension embeds the iOS simulator or Android emulator directly in your editor, with click-to-inspect, integrated debugging, router integration, and replays. It's less a debugging tool than a rethought development environment — polished, and worth the license if you live in VS Code and want the simulator beside your code. It's dev-time only and per-developer, so it complements rather than replaces in-app or crash tooling.

If you're on Expo, you already have a solid baseline: the dev menu, expo-dev-client for custom dev builds, and DevTools plugins that add panels for things like React Navigation and network inspection during development. Combined with React Native DevTools it covers everyday dev debugging on Expo well. Like everything dev-build-shaped, it ends where staging and production begin.

A different category, deliberately included: once your app is in users' hands, you need crash reports, ANR detection, release health, and performance traces — that's Sentry (or Bugsnag, Crashlytics, etc.). These tools tell you that something broke and where, after the fact. They pair naturally with in-app tools like Buoy, which let a human holding the affected device inspect what the app was doing the moment it happened.