Detox vs Maestro: End-to-End Testing React Native in 2026

End-to-end tests are the easiest tests to give up on. They're slow, they fail for reasons that have nothing to do with the code, and after the third false alarm in a week someone comments them out of the CI pipeline. Which tool you choose decides a lot about whether your suite survives that first month.

For React Native in 2026, the two serious choices are Detox and Maestro. This Detox vs Maestro comparison covers how each works, the same test written in both, where flakiness comes from, how they fit Expo and CI, and a clear recommendation for different teams.

Key takeaways

• Detox is gray-box: JavaScript tests that synchronise with your app's internals, so they wait for animations, network and timers automatically.
• Maestro is black-box: YAML flows that drive the app like a user, with built-in waiting and retries, and no changes to the app.
• Maestro is faster to adopt, works with any build, and runs natively in EAS Workflows.
• Detox gives developers more control and deeper synchronisation, with full New Architecture support since 20.34.
• Test only critical paths end to end, seed test data deliberately, and run a fast smoke suite on every pull request.

The short answer

How they differ

Detox gained full New Architecture support (Fabric and bridgeless) in version 20.34, with its maintainers noting minor synchronisation issues with pure JavaScript animations. Maestro, being black-box, doesn't care which architecture your app uses.

The same test in both

Both tools find elements by the testID prop you put on React Native components. Here's a sign-in test in Detox:

describe("Sign in", () => {
  beforeAll(async () => {
    await device.launchApp({ newInstance: true });
  });

  it("signs in with email and password", async () => {
    await element(by.id("email-input")).typeText("test@example.com");
    await element(by.id("password-input")).typeText("correct-horse");
    await element(by.id("sign-in-button")).tap();
    await expect(element(by.text("Today's workout"))).toBeVisible();
  });
});

And the same flow in Maestro:

appId: com.example.app
---
- launchApp:
    clearState: true
- tapOn:
    id: "email-input"
- inputText: "test@example.com"
- tapOn:
    id: "password-input"
- inputText: "correct-horse"
- tapOn:
    id: "sign-in-button"
- assertVisible: "Today's workout"

The Detox version fits naturally into a TypeScript codebase and its tooling. The Maestro version can be read, and often written, by someone who has never opened the codebase.

Where flakiness really comes from

Most flaky end-to-end tests fail for the same handful of reasons, whichever tool runs them:

• Shared or changing test data. A test that signs in as a user someone else just modified will fail randomly. Create fresh data per run through an API, or reset a known account.
• Animations and timers. Disable non-essential animations in test builds, and avoid tests that depend on exact timing.
• Network dependencies. Point test builds at a stable staging backend, and mock third-party services you don't control.
• Permissions and system dialogs. Grant permissions up front where the tool allows it, rather than tapping through dialogs.
• Overly specific assertions. Assert on what matters to the user ("today's workout is visible"), not exact layout.

Detox's synchronisation removes many timing problems automatically; Maestro's retries absorb many of the rest. Neither fixes bad test data.

Running them in CI

• Detox: iOS tests need macOS runners with simulators; Android needs an emulator, ideally with hardware acceleration. Cache native builds between runs, since building the app is often the slowest step.
• Maestro: run maestro test against a build on any CI that can start a simulator or emulator, or use a cloud runner.
• EAS Workflows has a built-in maestro job type that runs flows against a build produced earlier in the same workflow:

jobs:
  build_android_for_e2e:
    type: build
    params:
      platform: android
      profile: e2e-test

  maestro_test:
    needs: [build_android_for_e2e]
    type: maestro
    params:
      build_id: ${{ needs.build_android_for_e2e.outputs.build_id }}
      flow_path: ['.maestro/home.yml']

Whichever you choose, split the suite: a smoke set of three to five critical flows on every pull request or merge, and the full suite nightly or before each release.

What to test end to end

End-to-end tests are the most expensive tests you own, so spend them on the flows that would cost you most if broken: sign-up and sign-in, the core action of the app (booking, logging, posting), purchase and subscription, and anything involving data loss. Cover logic and edge cases with unit and integration tests, which are faster and more precise.

From the field: My testing toolkit for React Native includes Jest for unit and integration tests and both Detox and Maestro for end-to-end tests, as part of a release path I own end to end: EAS Build, Submit and Update, Fastlane and GitHub Actions, phased rollouts and Sentry crash triage. End-to-end tests earn their place as a gate in that pipeline, not as a report nobody reads.

What about Appium?

Appium drives apps through the WebDriver protocol, supports many languages, and suits organisations that already test many apps (native, hybrid and web) with one framework. For a React Native team starting fresh, it's usually heavier to set up and maintain than either Detox or Maestro.

My recommendation

• Starting from zero, especially with Expo: Maestro. You'll have critical flows running in CI in a day or two, and the flows double as readable documentation.
• A developer-owned suite in a bare React Native app, where you want TypeScript, mocking and tight synchronisation: Detox.
• Either way: keep the suite small, seed data deliberately and make it a release gate.

React Native Testing Library vs Detox

They test different things and work best together. React Native Testing Library runs in Jest without a device: it renders components, presses buttons and checks what appears, in milliseconds, which makes it right for most behaviour tests. Detox (or Maestro) runs the real app on a simulator or device and proves that whole flows work end to end, including navigation and native modules, at the cost of speed. Write many component tests and a few end-to-end tests.

FAQ

Is Maestro better than Detox?

Neither is better everywhere. Maestro is faster to adopt, needs no app changes and suits mixed teams and Expo projects. Detox gives developers TypeScript tests and deeper synchronisation with the app. Many teams choose Maestro for speed of setup and Detox when developers want more control.

Can I use Detox with Expo?

Yes, with a development build or prebuilt native project rather than Expo Go, plus Detox's native configuration (a community config plugin helps). Maestro is usually simpler with Expo because it tests any build as-is, and EAS Workflows can run Maestro flows directly.

Does Maestro work on real iOS devices?

Not officially. Maestro supports iOS simulators and Android emulators and devices. Some third-party tools and cloud device providers offer ways to run Maestro flows on physical iPhones.

How do I make end-to-end tests less flaky?

Create fresh test data for each run, disable non-essential animations in test builds, use a stable test backend, grant permissions up front, assert on user-visible outcomes rather than exact layout, and keep the suite focused on critical flows.

Next steps

If your app has no end-to-end tests, or a suite nobody trusts, I can set up a small, reliable one that guards your critical flows on every release. Get in touch, or see my services.

Sources

• Detox documentation, Wix
• Detox releases, GitHub
• Maestro documentation, Maestro
• Run E2E tests with EAS Workflows, Expo documentation
• Appium documentation, Appium