Best Feature Flags · FREE
Best free Feature Flags (2026)
8 feature flags that offer a genuine free plan, ranked by entry price. Every figure links to the vendor's own page and the date we captured it.
Key takeaways
- Cheapest: ConfigCat at $0/mo.
- Qualifying: ConfigCat, DevCycle, Flagsmith, GrowthBook, Harness Feature Management (formerly Split), LaunchDarkly, PostHog, Statsig.
- Data current through: 2026-06-14.
Comparison
| # | Feature Flag | Entry price | Free | HIPAA | SOC 2 | Best for | Source |
|---|---|---|---|---|---|---|---|
| 1 | ConfigCat | $0/mo | Yes | — | — | Teams with very high config download volumes needing predictable flat pricing | configcat.com |
| 2 | DevCycle | $0/mo | Yes | — | Yes | Teams wanting OpenFeature-compatible flags without vendor lock-in | devcycle.com |
| 3 | Flagsmith | $0/mo | Yes | — | Yes | Teams wanting open-source self-hosted control | flagsmith.com |
| 4 | GrowthBook | $0/mo | Yes | Yes | Yes | Data teams wanting warehouse-native experimentation without vendor data access | growthbook.io |
| 5 | Harness Feature Management (formerly Split) | $0/mo | Yes | — | Yes | Enterprise teams already using Harness CI/CD or DevOps platform | developer.harness.io |
| 6 | LaunchDarkly | $0/mo | Yes | Yes | Yes | Regulated industries requiring FedRAMP or HIPAA | launchdarkly.com |
| 7 | PostHog | $0/mo | Yes | Yes | Yes | Product teams wanting flags, analytics, and replays in a single platform | posthog.com |
| 8 | Statsig | $0/mo | Yes | Yes | Yes | Product and engineering teams wanting flags + analytics in one vendor | statsig.com |