Best Feature Flags Tools in 2026
Toolradar data: we track 21 feature flags tools, 15 of them with a free tier (71%), and 11 entered our catalog during 2026. 13 clear our editorial bar.
Toolradar data: we track 21 feature flags tools, 15 of them with a free tier (71%), and 11 entered our catalog during 2026. 13 clear our editorial bar.
This guide covers the 12 that score highest, what separates them, and where each free tier stops. Scores are ours; ratings and review counts come from third-party review platforms.
Quick comparison
| Tool | Free tier | Rating | What it does |
|---|---|---|---|
| PostHog | Yes | 4.5 | Open-source product analytics with event tracking, feature fla |
| Unleash | Yes | 4.7 | Open-source feature flag management |
| LaunchDarkly | No | 4.7 | Feature flags and experimentation at scale |
| Flipt | Yes | 4.6 | Open-source feature flag infrastructure |
| Split | No | 4.2 | Feature flags and experimentation platform |
| Eppo | No | 4.7 | Feature flagging and experimentation platform |
| GrowthBook | Yes | 4.6 | Open-source feature flags and A/B testing |
| Statsig | Yes | 4.7 | Feature flags and product experimentation |
| ConfigCat | Yes | 4.6 | Feature flag and configuration management |
| DevCycle | No | 4.5 | Feature flags for modern development teams |
The picks
PostHog
Open-source product analytics with event tracking, feature fla. Editorial score 88, free tier available, rated 4.5 across 1036 third-party reviews.
Full profile, pricing and alternatives
Unleash
Open-source feature flag management. Editorial score 86, free tier available, rated 4.7 across 128 third-party reviews.
Full profile, pricing and alternatives
LaunchDarkly
Feature flags and experimentation at scale. Editorial score 84, paid only, rated 4.7 across 700 third-party reviews.
Full profile, pricing and alternatives
Flipt
Open-source feature flag infrastructure. Editorial score 84, free tier available, rated 4.6 across 55 third-party reviews.
Full profile, pricing and alternatives
Split
Feature flags and experimentation platform. Editorial score 82, paid only, rated 4.2 across 227 third-party reviews.
Full profile, pricing and alternatives
Eppo
Feature flagging and experimentation platform. Editorial score 82, paid only, rated 4.7 across 41 third-party reviews.
Full profile, pricing and alternatives
GrowthBook
Open-source feature flags and A/B testing. Editorial score 82, free tier available, rated 4.6 across 25 third-party reviews.
Full profile, pricing and alternatives
Statsig
Feature flags and product experimentation. Editorial score 80, free tier available, rated 4.7 across 345 third-party reviews.
Full profile, pricing and alternatives
How we picked
Every tool here is published on Toolradar with an editorial score of 74 or above, out of 21 tracked in this category. Ordering follows that score, then third-party review volume, so a tool with one glowing review does not outrank one with a thousand. The figures update as the catalog does.
FAQ
How many feature flags tools are there?
We track 21 published feature flags tools, of which 13 clear our editorial bar. 11 were added during 2026, which reflects when we indexed them rather than when each vendor launched.
Are there free feature flags tools?
Yes, and they dominate: 15 of 21 offer a free tier, 71%. Free usually means a usage cap rather than a feature cap, so the ceiling arrives with volume.
How should I shortlist?
Start from the constraint that will not move: budget, an existing stack you must integrate with, or a compliance requirement. Filter on that first, then compare the two or three that survive. Ranking by feature count leads to the most expensive tool every time.
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Written by
Louis Corneloup
Founder & Editor-in-Chief at Toolradar. Founder & CEO of Dupple, the publisher of 5 industry newsletters reaching 720K+ tech professionals. Reviews B2B software using a public methodology, see /how-we-rate and /editorial-policy.