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Eppo alternatives: 4 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Eppo: needs an established data warehouse, and quote-based pricing. We ranked 4 alternatives by how directly each one replaces Eppo, then by reviews, real visits and how recently each app's facts were checked against its own website. GrowthBook currently ranks first.

Eppo has been acquired. Acquired by Datadog; the product is now sold as Datadog Experiments.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1GrowthBook logoGrowthBookOpen sourceYesWeb, Self-hosted4 of 466.5
2Statsig logoStatsigFree plan + paidNoWeb4 of 462.6
3Optimizely logoOptimizelyPaidNoWeb3 of 359.6
4LaunchDarkly logoLaunchDarklyFree plan + paidNoWeb4 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 Eppo

    Open-source, warehouse-native experimentation with a free plan.

    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 Eppo 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. Statsig logo

    2. Statsig

    Best for: Product and engineering teams that want rigorous experiments tied to every release

    Free plan + paidWeb

    62.6

    score / 100

    Why switch from Eppo

    Offers both a hosted and a warehouse-native mode with a free tier.

    Pros

    • Rigorous experimentation statistics built in
    • Unlimited flag checks, even on the free plan
    • Warehouse-native option for analysis on your own data

    Cons

    • Statistics-heavy interface for non-technical users
    • Owned by OpenAI, which some competitors' customers may weigh
    • Analytics less mature than dedicated analytics vendors
    Visit Statsig Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    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 Statsig a good Eppo alternative?

    Verified facts

    4 of 4 verified
    Free plan
    2M events/month
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
    Flag checks
    Unlimited on free plan
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
    Free session replays
    50,000/month
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
    Pro plan
    $150/month
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
  3. Optimizely logo

    3. Optimizely

    Best for: Large brands running many web and product experiments with governance

    PaidWeb

    59.6

    score / 100

    Why switch from Eppo

    Enterprise experimentation with a visual web editor.

    Pros

    • Visual editor for marketer-led web tests
    • Server-side feature experimentation for engineers
    • Combines testing with personalisation and a CMS

    Cons

    • Quote-only pricing sized for enterprises
    • Broad suite that can be complex to adopt
    Visit Optimizely 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 Optimizely a good Eppo alternative?

    Verified facts

    3 of 3 verified
    Pricing
    Individually packaged, quote-based
    Checked Oct 25, 2026optimizely.com(opens source in a new tab)
    Visual editor
    Yes
    Checked Oct 25, 2026optimizely.com(opens source in a new tab)
    Server-side testing
    Yes
    Checked Oct 25, 2026optimizely.com(opens source in a new tab)
  4. LaunchDarkly logo

    4. LaunchDarkly

    Best for: Engineering organisations that need governed feature releases at scale

    Free plan + paidWeb

    57.2

    score / 100

    Why switch from Eppo

    Feature management first, with experimentation available.

    Pros

    • Mature flagging with SDKs for nearly every platform
    • Release guardrails, approvals and audit logs
    • Unlimited seats with no per-seat pricing

    Cons

    • Costs climb with client-side users and connections
    • Experimentation is an extra cost on top of flags
    • More than a small team needs
    Visit LaunchDarkly 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 LaunchDarkly a good Eppo alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Developer, $0/month
    Checked Oct 25, 2026launchdarkly.com(opens source in a new tab)
    Seats
    Unlimited, no per-seat pricing
    Checked Oct 25, 2026launchdarkly.com(opens source in a new tab)
    Foundation plan
    $10 per service connection/month
    Checked Oct 25, 2026launchdarkly.com(opens source in a new tab)
    Free trial
    14 days (Foundation)
    Checked Oct 25, 2026launchdarkly.com(opens source in a new tab)

The best Eppo alternative for…

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

GrowthBook logo

Best Eppo alternative for most people

GrowthBook

Open-source, warehouse-native experimentation with a free plan.

GrowthBook logo

Best Eppo alternative for a free option

GrowthBook

Open-source, warehouse-native experimentation with a free plan.

Statsig logo

Best Eppo alternative for a free plan you can upgrade

Statsig

Offers both a hosted and a warehouse-native mode with a free tier.

GrowthBook logo

Best Eppo alternative for open source

GrowthBook

Open-source, warehouse-native experimentation with a free plan.

GrowthBook logo

Best Eppo alternative for self-hosting

GrowthBook

Open-source, warehouse-native experimentation with a free plan.

Optimizely logo

Best Eppo alternative for working in the browser

Optimizely

Enterprise experimentation with a visual web editor.

Eppo alternatives: common questions

What is the best alternative to Eppo?

GrowthBook ranks first right now. Open-source, warehouse-native experimentation with a free plan. Statsig and Optimizely follow it in our ranking.

Is there a free alternative to Eppo?

Yes. GrowthBook (open source), Statsig (free plan + paid) 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 Eppo?

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

Why do people switch from Eppo?

The complaints we hear most: needs an established data warehouse; quote-based pricing; product future now tied to Datadog.

How is this list ranked?

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