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Best GrowthBook alternatives in 2026

Looking for an alternative to GrowthBook? Whether you've outgrown it, find the pricing steep, or just want to weigh your options, these are the strongest feature flags & experimentation alternatives in 2026 — ranked on pricing, features, and who each one fits best. GrowthBook itself has a free tier, so we've flagged where each option is cheaper, simpler, or more specialized.

  1. 1
    Split
    Best for: engineering-teams

    Feature flags with experimentation. A popular feature flags alternative to GrowthBook with a genuinely usable free tier — free. Particularly strong for engineering-teams.

  2. 2
    ConfigCat
    Best for: developers

    If GrowthBook feels like overkill or over-budget, ConfigCat is a leaner option with a genuinely usable free tier. Simple, affordable feature flags. Pricing: free – $99/mo.

  3. 3
    LaunchDarkly
    Best for: engineering-teams

    LaunchDarkly goes head-to-head with GrowthBook on features with a genuinely usable free tier. Feature management platform. Best suited to engineering-teams. Free – $10/seat/mo.

  4. 4
    Flagsmith
    Best for: developers

    A well-rated feature flags pick. Open-source feature flags. Flagsmith offers a free plan and starts at free – $45/mo, making it a credible GrowthBook replacement.

  5. 5
    Unleash
    Best for: developers

    Open-source feature flags. A popular feature flags alternative to GrowthBook with a genuinely usable free tier — free – $80/mo. Particularly strong for developers.

  6. 6
    Kameleoon
    Best for: enterprise

    If GrowthBook feels like overkill or over-budget, Kameleoon is a leaner option. Experimentation & personalization. Pricing: custom.

  7. 7
    VWO
    Best for: marketers

    VWO goes head-to-head with GrowthBook on features with a genuinely usable free tier. A/B testing and CRO platform. Best suited to marketers. Free.

  8. 8
    PageFly
    Best for: smb

    A well-rated ecommerce platforms pick. Advanced page builder for Shopify. PageFly offers a free plan and starts at free – $24/mo, making it a credible GrowthBook replacement.

Still considering GrowthBook itself? Read our GrowthBook review →

Frequently asked questions

What is the best GrowthBook alternative?

Split is our top-rated GrowthBook alternative for 2026. Feature flags with experimentation. Free.

Is there a free GrowthBook alternative?

Yes — Split, ConfigCat, LaunchDarkly all offer a free tier you can start on without a credit card.

Why switch from GrowthBook?

Common reasons are price, a simpler feature set, better fit for a specific use case, or platform support. Each tool above notes where it has an edge over GrowthBook.