Testing · head to head
Detox vs Kameleoon
Detox
Testing
Open source end-to-end testing framework for React Native apps, built and maintained by Wix
- From
- Free
- Rated
- -
Kameleoon
Testing
A/B testing and feature experimentation with a hybrid client and server-side engine
- From
- On request
- Rated
- -
The short version
- Only Detox has a free tier, so it costs nothing to try first.
- Each has a real cost: Detox it only benefits React Native apps; teams with native iOS, native Android, or non-React-Native hybrid apps get no advantage from its core gray-box synchronisation design and should use Appium instead.; Kameleoon no rate card is published. Reported entry pricing around several hundred euros a month for the limited prompt-based tier comes from third parties rather than Kameleoon, so any budget you build before contacting sales is a guess.
- They diverge on capability: Detox covers Gray-box synchronisation, Kameleoon covers Visual A/B test editor.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Detox and Kameleoon actually diverge.
Identical on both: user rating (Not yet rated), category (Testing).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Detox
- Gray-box synchronisation
- React Native native integration
- Real device and simulator support
- Jest integration
- Element matching and actions
- CI-friendly execution
Only in Kameleoon
- Visual A/B test editor
- Server-side experimentation
- Feature flags
- Anti-flicker engine
- AI personalisation
- EU data hosting
- Shared audiences
- Statistics options
What people use each for
The jobs each tool is most often brought in to do.
Detox
- A React Native team wanting end-to-end tests that reliably wait for real app state rather than fixed sleep delaysnot Kameleoon
- A CI pipeline running mobile end-to-end tests that need to be genuinely reliable, not flaky, to avoid blocking merges on false failuresnot Kameleoon
- A team migrating from Appium-based React Native testing wanting tighter synchronisation with the app's async internalsnot Kameleoon
- An engineering organisation wanting a free, actively used-in-production framework rather than a lightly maintained side projectnot Kameleoon
Kameleoon
- A European retailer whose legal team requires EU-hosted experimentation data and has ruled out US-only vendorsnot Detox
- A team running both marketing page tests and product feature rollouts that wants one results engine rather than two disagreeing onesnot Detox
- A media site where client-side flicker on a test variant is visibly damaging the reading experiencenot Detox
- An organisation re-tendering experimentation after Optimizely or VWO pricing changes and wanting an independent European vendornot Detox
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Detox
- It only benefits React Native apps; teams with native iOS, native Android, or non-React-Native hybrid apps get no advantage from its core gray-box synchronisation design and should use Appium instead.
- As a single-company open source project, its long-term maintenance priority is tied to Wix's own continued internal use of React Native and Detox, which is a real, if currently low, dependency risk.
- Initial setup, particularly around build configuration for iOS and Android, has a steeper learning curve than some competing frameworks, with configuration errors being a common source of early frustration.
- Its community and plugin ecosystem is smaller than Appium's broader, foundation-governed mobile automation ecosystem.
- Debugging synchronisation issues when the gray-box mechanism misjudges app idle state can itself be a non-trivial troubleshooting exercise, ironically producing the same kind of flaky-test debugging it is designed to avoid.
Kameleoon
- No rate card is published. Reported entry pricing around several hundred euros a month for the limited prompt-based tier comes from third parties rather than Kameleoon, so any budget you build before contacting sales is a guess.
- Web experimentation, feature experimentation and personalisation are licensed as separate capabilities, so the unified platform story costs materially more than the entry configuration most buyers are first quoted.
- The partner and agency ecosystem is concentrated in France and continental Europe; a buyer in North America or Asia will find fewer implementation specialists and less community knowledge than for Optimizely or VWO.
- The integration catalogue is smaller than the market leaders, so a stack built on less common analytics or CDP tooling may need custom work that a larger vendor would cover natively.
- Client-side visual testing still carries the structural problems of the approach, including performance cost and single-page-application fragility; the anti-flicker engine reduces the symptom but does not remove the dependency on the DOM staying stable.
Pricing, plan by plan
Detox
Free- DetoxFree
- Full functionality, no usage limits
- Community support via GitHub
- Built and maintained by Wix for its own internal React Native testing needs
Kameleoon
On request- Kameleoon$undefined/year
- Priced on monthly tested users and features licensed
- Web experimentation, feature experimentation and personalisation licensed separately
- Free trial of the prompt-based experimentation feature, with data not retained afterwards
Which should you pick?
Choose Detox if
- You need gray-box synchronisation.
- You want to start without paying.
- You work on iOS, Android.
- You also want react native native integration.
Choose Kameleoon if
- You need visual a/b test editor.
- You work on Web, iOS, Android.
- You also want server-side experimentation.
Questions people ask
- Is Detox or Kameleoon better?
- Neither clearly leads. Detox starts at Free and Kameleoon at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Detox or Kameleoon?
- Detox has a free tier; the other does not. Paid plans start at Free for Detox and On request for Kameleoon.
- Does Detox or Kameleoon run on more platforms?
- Detox runs on iOS, Android. Kameleoon runs on Web, iOS, Android.
- Can I use Detox for free?
- Yes. Detox has a free tier, so you can try it without paying. Kameleoon starts at On request.
- What is Detox best used for?
- Detox is most often used for a react native team wanting end-to-end tests that reliably wait for real app state rather than fixed sleep delays, a ci pipeline running mobile end-to-end tests that need to be genuinely reliable, not flaky, to avoid blocking merges on false failures, a team migrating from appium-based react native testing wanting tighter synchronisation with the app's async internals, an engineering organisation wanting a free, actively used-in-production framework rather than a lightly maintained side project. Of those, a react native team wanting end-to-end tests that reliably wait for real app state rather than fixed sleep delays and a ci pipeline running mobile end-to-end tests that need to be genuinely reliable, not flaky, to avoid blocking merges on false failures are not what Kameleoon is typically brought in for.
- What can Detox do that Kameleoon cannot?
- Detox covers Gray-box synchronisation, React Native native integration, Real device and simulator support, Jest integration. Kameleoon covers Visual A/B test editor, Server-side experimentation, Feature flags, Anti-flicker engine.
Answered from the vendors’ own pages
Detox: Is Detox owned by Wix?
Yes, it is built and maintained by Wix as an open source project, used internally across Wix's own React Native apps.
Kameleoon: Does Kameleoon publish pricing?
No. Pricing depends on monthly tested users and which capabilities you licence, and requires a sales conversation.
Detox: Does Detox work with native iOS or Android apps, not just React Native?
It is specifically designed around React Native's architecture; for native or non-React-Native hybrid apps, Appium is the more appropriate choice.
Kameleoon: Can I keep data in the EU?
Yes. EU hosting and a GDPR-first consent model are among the main reasons European buyers shortlist it.
Detox: Is Detox free?
Yes, entirely open source with no licence fee.
Kameleoon: Does it do feature flags as well as A/B tests?
Yes, through server-side SDKs, sharing audiences and results with the visual testing side.
Kameleoon: How does it compare with Optimizely?
Similar capability at a smaller scale. Kameleoon's advantages are European data residency and an independent vendor; Optimizely's are ecosystem size and partner availability.
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