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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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