Best Experimentation Platforms in 2026
Updated
In short: Confidence by Spotify is ranked #1 of 23 as of 4 October 2026, ahead of GrowthBook and Statsig. The best-ranked option with a free plan is GrowthBook. The lowest first paid tier on this page is Marpipe at $0.50/mo.
When you’re choosing a platform for product experiments, compare the methods it supports with how it handles feature rollouts and statistical models. Mobile and server-side experiments are also distinct criteria, so consider which environments your work needs to cover. Free-plan availability, included users, and paid-from pricing help you weigh access and cost alongside those capabilities. The ranking opens with Confidence by Spotify, GrowthBook, and Statsig, followed by Bucketeer and Marpipe. Use the listed criteria to compare how each platform fits the experiments you want to run and the teams that need access.
23 experimentation platforms ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Confidence by Spotify Top pick · 7.2 Free plan · $449/mo
#2 GrowthBook Runner-up · 7.1 Free plan · $40/mo
#3 Statsig Also great · 7.1 Free plan · $150/mo
- Free planFree trial AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 449 /mo
RecognisedDocumentedFree planPlatforms$449/mofirst paid tier About Confidence by SpotifyVisit site - Free plan AndroidapiiOSself-hostedWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$40/mofirst paid tier About GrowthBookVisit site - Free plan AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 150 /mo
RecognisedDocumentedFree planPlatforms$150/mofirst paid tier About StatsigVisit site - Free plan AndroidapiiOSself-hostedWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free plan extensionWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$0.50/mofirst paid tier About MarpipeVisit site - Free plan api
- Free plan
- Yes
- Paid from
- 0 /mo
RecognisedDocumentedFree planPlatforms - Free plan AndroidiOSWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free trial AndroidapiiOSWeb
- Free plan
- No
- Paid from
- 495 /mo
RecognisedDocumentedFree planPlatforms$495/mofirst paid tier About KameleoonVisit site - Free trial AndroidapiiOSWeb
- Free plan
- No
- Experiment methods
- A/B testing; multivariate testing; multi-armed bandit
- Server-side experiments
- Yes
- Mobile experiments
- Yes
- Statistical model
- bayesian
RecognisedDocumentedFree planPlatforms - AndroidapiiOSWeb
- Experiment methods
- A/B/n experiments, contextual bandits, switchback tests, sequential analysis, Bayesian statistics
- Server-side experiments
- Yes
- Mobile experiments
- Yes
- Statistical model
- both
RecognisedDocumentedFree planPlatforms - apiWeb
- Free plan
- Yes
- Experiment methods
- A/B tests, multi-armed bandit optimizations
- Server-side experiments
- Yes
- Mobile experiments
- Yes
- Statistical model
- both
RecognisedDocumentedFree planPlatforms - AndroidiOSWeb
- Free plan
- Yes
- Experiment methods
- A/B tests, multi-armed bandit optimizations
- Server-side experiments
- Yes
- Mobile experiments
- Yes
- Statistical model
- both
RecognisedDocumentedFree planPlatforms - AndroidiOSWebRecognisedDocumentedFree planPlatforms
- WebiOSAndroidRecognisedDocumentedFree planPlatforms
- WebiOSAndroid
- Free plan
- No
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Free plan
- No
RecognisedDocumentedFree planPlatforms - WebiOSAndroidRecognisedDocumentedFree planPlatforms
- WebiOSAndroid
- Free plan
- No
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Free plan
- No
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 99 /mo
RecognisedDocumentedFree planPlatforms - WebiOSAndroidRecognisedDocumentedFree planPlatforms
- Web
- Free plan
- No
RecognisedDocumentedFree planPlatforms - 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 experimentation platform is ranked first on Everything Xiaomi?
Confidence by Spotify is ranked #1 of 23 with a score of 7.2. GrowthBook is second and Statsig third.
How many of these have a free plan?
7 of the 23 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Marpipe has the lowest first paid tier we found: $0.50/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.