Feature Flags & Experiments

ConfigCat vs GrowthBook: Which is Better in 2026?

Choosing between ConfigCat and GrowthBook? Both are popular feature flags & experiments tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Quick verdict

Both are solid feature flags & experiments options. GrowthBook is cheaper to start, but the right choice depends on the specific features and integrations you need.

ConfigCat vs GrowthBook — Side by Side

ConfigCatGrowthBook
CategoryFeature Flags & ExperimentsFeature Flags & Experiments
PricingFree · paid from $110/moFree · paid from $40/mo
Starting priceFree tier availableFree tier available
Free tier
Rating4.44.4
Best forFeature Flags & Experiments — remote-config, rolloutFeature Flags & Experiments — experimentation, ab-testing

Pros & Cons

  • Flat, published pricing
  • Free tier is unlimited on evaluations
  • Fast to integrate
  • No usage cliff to monitor
  • No experimentation or analytics
  • Flag caps on lower tiers
  • Fewer integrations than the leaders
  • Runs on your warehouse — no event forwarding
  • Open source with no user cap when self-hosted
  • Serious statistics engine
  • Flags and experiments in one tool
  • Needs a warehouse and modelled metrics
  • Self-hosted setup is a real project
  • Per-seat cloud pricing adds up

Key Features Compared

ConfigCat

  • 100 feature flags
  • 3 environments
  • 3 products
  • Email support

GrowthBook

  • Up to 50 users
  • Visual editor
  • Multi-arm bandits
  • Advanced permissions

Choose ConfigCat if…

  • You want a free tier to validate before paying.
  • Flat, published pricing
  • Free tier is unlimited on evaluations
  • Fast to integrate
ConfigCat review & pricing

Choose GrowthBook if…

  • You want a free tier to validate before paying.
  • Budget is tight — paid plans start lower ($40/mo vs $110/mo).
  • Runs on your warehouse — no event forwarding
  • Open source with no user cap when self-hosted
GrowthBook review & pricing

Frequently Asked Questions

Is ConfigCat better than GrowthBook?

Both are solid feature flags & experiments options. GrowthBook is cheaper to start, but the right choice depends on the specific features and integrations you need.

What is the difference between ConfigCat and GrowthBook?

ConfigCat — Straightforward hosted feature flags with a free tier that never expires and flat, published pricing. GrowthBook — Warehouse-native flags and experiments — the stats run on your own data, and the whole platform is open source. Both are feature flags & experiments tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

ConfigCat vs GrowthBook: which is cheaper?

ConfigCat pricing: Free · paid from $110/mo. GrowthBook pricing: Free · paid from $40/mo. Confirm current pricing on each tool's official site, as plans change.

Which is rated higher, ConfigCat or GrowthBook?

In our catalog, ConfigCat rates 4.4 out of 5 and GrowthBook rates 4.4 out of 5 — they are evenly matched.

See more options in our guide to the best feature flags & experiments tools for startups.

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