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GrowthBook vs Unleash(2026)

GrowthBook is better for teams that need open source. Unleash is the stronger choice if fully open source. GrowthBook is freemium (from $0 (self-hosted free)) and Unleash is open-source (from $80/month (Unleash Pro)).

Full feature breakdown, pricing details, and pros & cons below.

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GrowthBook logo

GrowthBook

freemium

GrowthBook is an open-source platform for feature flags, A/B testing, and experimentation.

Starting at $0 (self-hosted free)

Visit GrowthBook
Unleash logo

Unleash

open-source

Unleash is a feature toggle system built for the enterprise with a full-featured open source version you can self-host.

Starting at $80/month (Unleash Pro)

Visit Unleash

How Do GrowthBook and Unleash Compare on Features?

FeatureGrowthBookUnleash
Pricing modelfreemiumopen-source
Starting price$0 (self-hosted free)$80/month (Unleash Pro)
Feature flags
A/B testing
Statistical analysis
SDKs for all languages
Self-hostable
Visual editor
Feature toggles
Activation strategies
Gradual rollouts
User targeting
SDKs for 20+ languages

GrowthBook Pros and Cons vs Unleash

G

GrowthBook

+Open source
+Strong statistics engine
+Self-hostable for free
+Data warehouse integration
Less polish than LaunchDarkly
Smaller ecosystem
Self-hosting requires maintenance
U

Unleash

+Fully open source
+Strong enterprise features on OSS
+Multi-language SDK support
+Self-host for free
Dated UI
Self-hosting requires maintenance
Complex strategy system

Should You Use GrowthBook or Unleash?

Choose GrowthBook if…

  • Open source
  • Strong statistics engine
  • Self-hostable for free

Choose Unleash if…

  • Fully open source
  • Strong enterprise features on OSS
  • Multi-language SDK support

More Feature Flags Comparisons