Feature Flags & Experiments

ConfigCat vs Unleash: Which is Better in 2026?

Choosing between ConfigCat and Unleash? 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. Unleash is cheaper to start, but the right choice depends on the specific features and integrations you need.

ConfigCat vs Unleash — Side by Side

ConfigCatUnleash
CategoryFeature Flags & ExperimentsFeature Flags & Experiments
PricingFree · paid from $110/moFree · paid from $75/mo
Starting priceFree tier availableFree tier available
Free tier
Rating4.44.4
Best forFeature Flags & Experiments — remote-config, rolloutFeature Flags & Experiments — open-source, self-hosted

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
  • Mature open-source server
  • User data stays in your infrastructure
  • Hybrid and self-hosted deployments
  • Four-eyes approvals built in
  • Per-seat pricing is steep for large teams
  • Self-hosting means running Postgres and the server
  • Experimentation is basic

Key Features Compared

ConfigCat

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

Unleash

  • Hosted by Unleash
  • Unlimited projects and experiments
  • SSO with SAML/OIDC
  • 90-day metrics retention

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 Unleash if…

  • You want a free tier to validate before paying.
  • Budget is tight — paid plans start lower ($75/mo vs $110/mo).
  • Mature open-source server
  • User data stays in your infrastructure
Unleash review & pricing

Frequently Asked Questions

Is ConfigCat better than Unleash?

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

What is the difference between ConfigCat and Unleash?

ConfigCat — Straightforward hosted feature flags with a free tier that never expires and flat, published pricing. Unleash — Open-source feature flags with a privacy-first architecture — flag evaluation happens in your SDK, never on the vendor's servers. Both are feature flags & experiments tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

ConfigCat vs Unleash: which is cheaper?

ConfigCat pricing: Free · paid from $110/mo. Unleash pricing: Free · paid from $75/mo. Confirm current pricing on each tool's official site, as plans change.

Which is rated higher, ConfigCat or Unleash?

In our catalog, ConfigCat rates 4.4 out of 5 and Unleash 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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