Head to head
ConfigCat vs LaunchDarkly
As a feature flag API, LaunchDarkly rates higher on the APIbenchmarks Index, 91.1 to 83.2, a 7.9-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | ConfigCat | LaunchDarkly |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 83.2 | 91.1 |
Specifications
| ConfigCat | LaunchDarkly | |
|---|---|---|
| Best for | Simple flat-priced feature flags for any team size | Enterprise feature management and progressive delivery |
| Free tier | Free: 10 flags, unlimited seats, unlimited flag reads | Developer plan: unlimited flags, 1 project, 2 environments, 1k MAU for experimentation |
| Pricing | Flat tier (config fetches) | Per-seat + MAU-based |
| Official SDKs | 12 languages | 12 languages |
Is ConfigCat better than LaunchDarkly?
On the APIbenchmarks Index, LaunchDarkly rates higher (91.1 vs 83.2). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.
Verdict in one line
LaunchDarkly leads by 7.9 points (91.1 vs 83.2) and wins 3 of 4 criteria; ConfigCat wins 1.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 84 | 92 | |
| Reliability | 78 | 95 | |
| Ecosystem & SDKs | 82 | 95 | |
| Accessibility | 90 | 80 |
Choose ConfigCat if… / choose LaunchDarkly if…
- →accessibility matters most to you (90 vs 80)
- →your use case matches its focus: simple flat-priced feature flags for any team size
- →documentation & dx matters most to you (92 vs 84)
- →reliability matters most to you (95 vs 78)
- →ecosystem & sdks matters most to you (95 vs 82)
- →your use case matches its focus: enterprise feature management and progressive delivery
Pricing side by side
- Model
- Flat tier (config fetches)
- Free tier
- Free: 10 flags, unlimited seats, unlimited flag reads
- Forever Free$0/mo
- Pro$110/mo
- Smart$325/mo
- Enterprise$900/mo
- Dedicated$4,500/mo
- Model
- Per-seat + MAU-based
- Free tier
- Developer plan: unlimited flags, 1 project, 2 environments, 1k MAU for experimentation
- Developer$0/month
- Foundation$10 per service connection/mo (or $8.33 per 1K client-side MAU/mo)
- EnterpriseCustom
- GuardianCustom
Vendor-published pricing, verified 2026-06-27 (ConfigCat) and 2026-06-27 (LaunchDarkly).
SDK and language coverage
Both · 4
.NETGoPythonPHP
Only ConfigCat · 8
JavaScript (Browser/Node/Deno/Bun)ReactCloudflare WorkerJava / AndroidKotlin MultiplatformRuby / Rust / Elixir / C++Swift (iOS) / Dart (Flutter)Unity / Unreal Engine
Only LaunchDarkly · 8
JavaNode.js (server & client)RubyErlangHaskellJavaScript / React WebiOS (Swift/Objective-C)Android, Flutter, React Native, C++, Roku (mobile/client); edge SDKs for Cloudflare, Vercel, Fastly
Strengths and weaknesses
- +Flat pricing with unlimited team members, MAUs/contexts and flag reads on every tier (including Free), no per-seat or per-MAU charges
- +Genuinely simple to adopt; many teams self-serve in hours without sales contact
- +Generous Forever Free plan with unlimited seats
- –No built-in experimentation/A-B test result analytics, intentionally not an experimentation platform
- –Segment and target-user management can become messy as flag count grows
- –UI has a learning curve for newcomers
- +Local in-memory SDK evaluation adds effectively zero latency (microseconds per flag check) and keeps apps serving flags during platform outages
- +Best-in-class targeting: percentage rollouts, segments, and rules on virtually any context attribute, enabling canary, ring, and progressive deployments
- +Instant kill switch lets teams revert a bad release without a redeploy, a top reason reviewers cite for production confidence
- –Expensive for small teams and startups; per-seat/per-connection costs are a frequent complaint and median enterprise contracts run ~$72k/year
- –Pricing model is complex and hard to predict, layering service connections, per-1K MAU charges, and metered add-ons for experimentation, session replay, and AI runs
- –Provisioning seats is reported as a recurring friction point due to cost
ConfigCat vs LaunchDarkly: questions
- Which has better documentation, ConfigCat or LaunchDarkly?
- LaunchDarkly scores higher on documentation and developer experience: 92 vs 84 out of 100.
- Which is more reliable, ConfigCat or LaunchDarkly?
- LaunchDarkly scores higher on reliability: 95 vs 78 out of 100.
- Do ConfigCat and LaunchDarkly have a free tier?
- ConfigCat: yes (Free: 10 flags, unlimited seats, unlimited flag reads). LaunchDarkly: yes (Developer plan: unlimited flags, 1 project, 2 environments, 1k MAU for experimentation).
- How are ConfigCat and LaunchDarkly priced?
- ConfigCat: Flat tier (config fetches). LaunchDarkly: Per-seat + MAU-based.
- Which has more official SDKs?
- Both list 12 official SDKs.