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GrowthBook alternatives: 6 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave GrowthBook: needs a data warehouse or analytics source to shine, and free cloud plan limited to 3 users. We ranked 6 alternatives by how directly each one replaces GrowthBook, then by reviews, real visits and how recently each app's facts were checked against its own website. Statsig currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1PostHog logoPostHogFree plan + paidYesWeb, Self-hosted4 of 459.6
2Unleash logoUnleashOpen sourceYesWeb, Self-hosted4 of 457.2
  1. PostHog logo

    1. PostHogTop pick

    Best for: Startups and engineering-led teams wanting analytics, replay and flags in one tool

    Free plan + paidOpen sourceSelf-hostableWeb, Self-hosted

    59.6

    score / 100

    Why switch from GrowthBook

    Flags and experiments plus analytics, with no warehouse needed.

    Pros

    • Generous monthly free allowance across every product
    • Analytics, replay, flags and experiments share one dataset
    • Transparent usage pricing with no seat fees
    • Source code is public and a hobby self-host option exists

    Cons

    • Busy interface that suits technical users more than marketers
    • Self-hosting is limited to a small hobby deployment
    • Usage bills can grow fast on high-traffic products
    Visit PostHog Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is PostHog a good GrowthBook alternative?

    Verified facts

    4 of 4 verified
    Free analytics allowance
    1M events/month
    Checked Oct 25, 2026posthog.com(opens source in a new tab)
    Free session replay
    5K recordings/month
    Checked Oct 25, 2026posthog.com(opens source in a new tab)
    Free feature flags
    1M requests/month
    Checked Oct 25, 2026posthog.com(opens source in a new tab)
    Self-hosting
    Hobby deployment available
    Checked Oct 25, 2026posthog.com(opens source in a new tab)
  2. Unleash logo

    2. Unleash

    Best for: Engineering teams that want open-source flags they host themselves

    Open sourceSelf-hostableWeb, Self-hosted

    57.2

    score / 100

    Why switch from GrowthBook

    Open-source flags with stronger enterprise release governance.

    Pros

    • Free open-source edition with no seat limit
    • Self-hosted, cloud or hybrid deployment
    • Enterprise governance for regulated industries

    Cons

    • Open-source edition limited to one project
    • Enterprise is priced per seat
    • Little built-in experiment analysis
    Visit Unleash Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Unleash a good GrowthBook alternative?

    Verified facts

    4 of 4 verified
    Open-source edition
    Free, self-hosted, no seat limit
    Checked Oct 25, 2026getunleash.io(opens source in a new tab)
    Enterprise price
    $75 per seat/month
    Checked Oct 25, 2026getunleash.io(opens source in a new tab)
    Free trial
    14 days
    Checked Oct 25, 2026getunleash.io(opens source in a new tab)
    SDKs
    25+
    Checked Oct 25, 2026getunleash.io(opens source in a new tab)

The best GrowthBook alternative for…

The highest-ranked app in this list for each need.

Statsig logo

Best GrowthBook alternative for most people

Statsig

Hosted experiments with analytics and replay bundled in.

Unleash logo

Best GrowthBook alternative for a free option

Unleash

Open-source flags with stronger enterprise release governance.

PostHog logo

Best GrowthBook alternative for a free plan you can upgrade

PostHog

Flags and experiments plus analytics, with no warehouse needed.

PostHog logo

Best GrowthBook alternative for open source

PostHog

Flags and experiments plus analytics, with no warehouse needed.

PostHog logo

Best GrowthBook alternative for self-hosting

PostHog

Flags and experiments plus analytics, with no warehouse needed.

Eppo logo

Best GrowthBook alternative for working in the browser

Eppo

A commercial warehouse-native platform, now Datadog Experiments.

GrowthBook alternatives: common questions

What is the best alternative to GrowthBook?

Statsig ranks first right now. Hosted experiments with analytics and replay bundled in. Eppo and PostHog follow it in our ranking.

Is there a free alternative to GrowthBook?

Yes. Statsig (free plan + paid), PostHog (free plan + paid), Unleash (open source) and LaunchDarkly (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to GrowthBook?

Yes: PostHog and Unleash. PostHog and Unleash can also be self-hosted.

Why do people switch from GrowthBook?

The complaints we hear most: needs a data warehouse or analytics source to shine; free cloud plan limited to 3 users; less marketer-friendly than visual testing tools.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces GrowthBook, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.