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Statsig alternatives: 6 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Statsig: statistics-heavy interface for non-technical users, and owned by OpenAI, which some competitors' customers may weigh. We ranked 6 alternatives by how directly each one replaces Statsig, then by reviews, real visits and how recently each app's facts were checked against its own website. GrowthBook currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1GrowthBook logoGrowthBookOpen sourceYesWeb, Self-hosted4 of 466.5
2PostHog logoPostHogFree plan + paidYesWeb, Self-hosted4 of 457.2
  1. GrowthBook logo

    1. GrowthBookTop pick

    Best for: Engineering and data teams that want experiments on their own warehouse data

    Open sourceSelf-hostableWeb, Self-hosted

    66.5

    score / 100

    Why switch from Statsig

    Open-source, warehouse-native experiments and flags you can self-host.

    Pros

    • Open source and fully self-hostable
    • Runs analysis on your existing warehouse
    • Unlimited flags, experiments and traffic even on free plan

    Cons

    • Needs a data warehouse or analytics source to shine
    • Free cloud plan limited to 3 users
    • Less marketer-friendly than visual testing tools
    Visit GrowthBook Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    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 GrowthBook a good Statsig alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 3 users, unlimited flags
    Checked Oct 25, 2026growthbook.io(opens source in a new tab)
    Pro plan
    $40 per seat/month
    Checked Oct 25, 2026growthbook.io(opens source in a new tab)
    Self-hosting
    Docker image
    Checked Oct 25, 2026docs.growthbook.io(opens source in a new tab)
    Self-hosted features
    Same as cloud
    Checked Oct 25, 2026growthbook.io(opens source in a new tab)
  2. PostHog logo

    2. PostHog

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

    Free plan + paidOpen sourceSelf-hostableWeb, Self-hosted

    57.2

    score / 100

    Why switch from Statsig

    Experiments, flags and analytics in one tool with a free tier.

    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 ×0.369
    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 PostHog a good Statsig 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)

The best Statsig alternative for…

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

GrowthBook logo

Best Statsig alternative for most people

GrowthBook

Open-source, warehouse-native experiments and flags you can self-host.

GrowthBook logo

Best Statsig alternative for a free option

GrowthBook

Open-source, warehouse-native experiments and flags you can self-host.

LaunchDarkly logo

Best Statsig alternative for a free plan you can upgrade

LaunchDarkly

The feature management leader if release control matters more than stats.

PostHog logo

Best Statsig alternative for open source

PostHog

Experiments, flags and analytics in one tool with a free tier.

GrowthBook logo

Best Statsig alternative for self-hosting

GrowthBook

Open-source, warehouse-native experiments and flags you can self-host.

Eppo logo

Best Statsig alternative for working in the browser

Eppo

Warehouse-native experimentation, now part of Datadog.

Statsig alternatives: common questions

What is the best alternative to Statsig?

GrowthBook ranks first right now. Open-source, warehouse-native experiments and flags you can self-host. LaunchDarkly and Eppo follow it in our ranking.

Is there a free alternative to Statsig?

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

Is there an open-source alternative to Statsig?

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

Why do people switch from Statsig?

The complaints we hear most: statistics-heavy interface for non-technical users; owned by OpenAI, which some competitors' customers may weigh; analytics less mature than dedicated analytics vendors.

How is this list ranked?

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