Best A/B Testing Tools in 2026
Updated
In short: Confidence by Spotify is ranked #1 of 50 as of 4 October 2026, ahead of Crazy Egg and DevCycle. The best-ranked option with a free plan is Crazy Egg. The lowest first paid tier on this page is Crazy Egg at $2.42/mo.
Teams running controlled experiments can compare these tools by test type, audience targeting, and the ways they support deployment, from feature flags to server-side testing. A visual editor may matter for teams building tests without code, while a mobile SDK and supported platforms help clarify fit for app work. Free-plan availability and paid-from pricing are also part of the comparison. GrowthBook, LaunchDarkly Experimentation, and Statsig appear at the top, followed by Omniconvert Explore and Confidence by Spotify. Use the ranking order alongside the listed criteria to weigh which experimentation features, platform coverage, and cost details line up with your team’s needs.
50 A/B testing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
50ranked
14free plans on this page
$2.42/molowest paid tier
4 Oct 2026last checked
#1 Confidence by Spotify Top pick · 7.0 Free plan · $449/mo
#2 Crazy Egg Runner-up · 7.0 Free plan · $2.42/mo
#3 DevCycle Also great · 7.0 Free plan · $500/mo
- Free planFree trial AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 449 /mo
- Test types
- A/B tests, rollouts
- Supported platforms
- web_and_mobile
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms$449/mofirst paid tier About Confidence by SpotifyVisit site - Free planFree trial apiextensionWeb
- Free plan
- Yes
- Paid from
- 29 /mo
RecognisedDocumentedFree planPlatforms$2.42/mofirst paid tier About Crazy EggVisit site - Free plan AndroidapiextensioniOSWeb
- Free plan
- Yes
- Paid from
- 500 /mo
- Test types
- A/B, multivariate, user experience, conversion funnel, server-side, algorithm, architecture, database query
- Supported platforms
- web_and_mobile
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms$500/mofirst paid tier About DevCycleVisit site - Free plan AndroidapiextensioniOSWeb
- Free plan
- Yes
- Test types
- Remote Config experiments; messaging experiments; In-App Messaging experiments
- Supported platforms
- web_and_mobile
RecognisedDocumentedFree planPlatforms - Free plan AndroidapiiOSself-hostedWeb
- Free plan
- Yes
- Test types
- A/B tests; safe rollouts; multi-arm bandits
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms$40/mofirst paid tier About GrowthBookVisit site - Free planFree trial AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 8.33 /mo
- Test types
- A/B testing; A/A testing; multi-armed bandits; holdout experiments; warehouse-native experiments
- Supported platforms
- web_and_mobile
- Visual editor
- No
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms$108.33/mofirst paid tier About LaunchDarkly ExperimentationVisit site - Free plan AndroidapiextensioniOSself-hostedWeb
- Free plan
- Yes
- Test types
- A/B/n testing; split-URL testing; stacked testing; server-side testing; native mobile-app testing; Shopify price testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - Free plan AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 150 /mo
- Test types
- A/B/n, multivariate, sequential, switchback, non-inferiority, multi-arm bandit, holdout
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms$150/mofirst paid tier About StatsigVisit site - Free planFree trial AndroidapiextensioniOSWeb
- Free plan
- Yes
- Test types
- A/B testing; split URL testing; full-stack testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 299 /mo
- Visual editor
- Yes
RecognisedDocumentedFree planPlatforms$299/mofirst paid tier About MidaVisit site - Free plan WebiOSAndroid
- Free plan
- Yes
- Paid from
- 49 /mo
- Test types
- A/B testing; percentage-based experiments and rollouts
- Supported platforms
- web_and_mobile
- Visual editor
- No
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms$49/mofirst paid tier About FeatureflipVisit site - Free plan AndroidiOSWeb
- Free plan
- Yes
- Test types
- A/B testing, multi-page testing, feature testing, server-side testing, multivariate testing, multi-armed bandit testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - Free plan Web
- Free plan
- Yes
- Paid from
- 700 /mo
RecognisedDocumentedFree planPlatforms$700/mofirst paid tier About MtrixVisit site - Free plan api
- Free plan
- Yes
- Paid from
- 0 /mo
RecognisedDocumentedFree planPlatforms - Free trial AndroidapiiOSWeb
- Free plan
- No
- Paid from
- 495 /mo
- Test types
- A/B testing, A/B/n testing, multivariate testing, feature experimentation, server-side testing, personalization
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms$495/mofirst paid tier About KameleoonVisit site - AndroidiOSWeb
- Test types
- A/B/n testing, multivariate testing, multi-armed bandit testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Free plan
- Yes
- Test types
- A/B testing, multivariate experiments, server-side testing, mobile-app testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Test types
- A/B testing, multivariate testing, adaptive optimization, personalization
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Test types
- A/B testing; dynamic allocation; affinity allocation
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Free plan
- Yes
- Test types
- A/B testing, multivariate testing, sequential testing, CUPED, multi-armed bandits, Bayesian testing, split URL testing, LLM/model evaluation
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Test types
- A/B, A/B/n, multivariate, dynamic, feature experimentation
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - apiWeb
- Free plan
- Yes
- Test types
- A/B testing, multi-page testing, feature testing, server-side testing, multivariate testing, multi-armed bandit testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Test types
- A/B, multivariate, split URL, multi-page, cross-domain, device-specific
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 10 /mo
- Test types
- YouTube thumbnail tests; YouTube title tests
- Supported platforms
- web
- Server-side testing
- No
RecognisedDocumentedFree planPlatforms$10/mofirst paid tier About abtestVisit site - WebiOSAndroid
- Test types
- A/B testing
- Supported platforms
- web_and_mobile
- Server-side testing
- Yes
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which A/B testing tool is ranked first on Everything Xiaomi?
Confidence by Spotify is ranked #1 of 50 with a score of 7.0. Crazy Egg is second and DevCycle third.
How many of these have a free plan?
14 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Crazy Egg has the lowest first paid tier we found: $2.42/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.
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