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testcritic

Detox vs Kobiton

Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.

Entry price

Free and open source

Open source

From $83 per month (Startup, 500 device minutes)

Free tier

What drives the bill

The metric that actually scales your invoice.

Free and open source. You pay in engineering time and CI minutes.

Startup includes 500 device minutes a month; Accelerate is $399 for 3,000. Priced by device minutes and concurrent sessions, and the on-premise hybrid option is licensed separately.

Free tier

Everything, self-hosted

Free trial with limited device minutes.

Open source

MIT

Self-hostable

No-code authoring

Languages

JavaScriptTypeScript
JavaJavaScriptPythonC#

Platforms

iOSAndroid
iOSAndroid

Fits teams

StartupScale-up / mid-marketEnterprise
Scale-up / mid-marketEnterprise

Adoption

Widely used

Wix · since 2017

Emerging

Kobiton · since 2016

Strengths

  • Automatic synchronisation with the RN bridge eliminates most timing flake.
  • Same JavaScript and Jest tooling the app team already uses.
  • Fast execution because there is no external driver round trip.
  • Hybrid model lets you keep sensitive devices in-house while using one interface.
  • Manual session recording converts into Appium scripts, shortening authoring.
  • Cheaper than the top-tier enterprise clouds.

Limitations

  • React Native only — useless for native or Flutter apps.
  • Requires building a special test binary, which complicates the pipeline.
  • Grey-box coupling means an RN upgrade can break your test setup.
  • Smaller device catalogue than BrowserStack or Sauce Labs.
  • Generated Appium scripts still need substantial cleanup.
  • Mobile only.

Best for

React Native teams that want low-flake E2E tests in their existing toolchain.

Mobile teams that want a device cloud but must keep some devices on premises.

All of these integrate with: GitHub Actions.

Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.