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Flagsmith vs GrowthBook

Reviewed byRoman K
Tagline
Flagsmith: Open source feature flags
GrowthBook: Open source feature flags and A/B testing
Pricing Model
Flagsmith: open-source
GrowthBook: freemium
Starting Price
Flagsmith: $0/mo
GrowthBook: $20/mo
Free Plan
Flagsmith: Yes
GrowthBook: Yes
GitHub Stars
Flagsmith: 6.4k
GrowthBook: 7.9k
npm Downloads/wk
Flagsmith: 156.1k
GrowthBook: 724.0k
GitHub Forks
Flagsmith: 536
GrowthBook: 775
Open Issues
Flagsmith: 648
GrowthBook: 774
Tags
Flagsmith: feature-flags, open-source, remote-config, self-hosted
GrowthBook: open-source, experiments, feature-flags

Flagsmith vs GrowthBook: which to choose

GrowthBook has the larger community with 7.9k GitHub stars against 6.4k for Flagsmith, which usually means more integrations, examples and third-party help when you get stuck.

Both charge from day one, but Flagsmith starts lower at $0/mo versus $20/mo for GrowthBook.

Choose Flagsmith if you lean toward feature-flags and open-source; choose GrowthBook if open-source and experiments matters more for your stack. All figures above are pulled from live GitHub and pricing data, not vendor marketing.

Frequently asked questions

Is Flagsmith or GrowthBook better?▾

It depends on your priorities. Flagsmith has 6.4k GitHub stars and uses a open-source pricing model, while GrowthBook has 7.9k stars and uses a freemium model. Both offer a free plan so you can try each before committing.

Is Flagsmith cheaper than GrowthBook?▾

Flagsmith starts at $0/mo while GrowthBook starts at $20/mo. Flagsmith has a free plan. GrowthBook has a free plan.

What are the main differences between Flagsmith and GrowthBook?▾

Flagsmith is tagged as feature-flags, open-source, remote-config while GrowthBook is tagged as open-source, experiments, feature-flags. Flagsmith uses a open-source pricing model and has a community of 6.4k GitHub stars. GrowthBook uses a freemium model with 7.9k GitHub stars.

Does Flagsmith or GrowthBook have a free plan?▾

Yes, both Flagsmith and GrowthBook offer a free plan.

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