Feature Flags Tools

1. Statsig runs on more than half of the sites using a feature flags tool (73%), 4.2 times as many sites as GrowthBook.

#	Movement	Tool	Country	Share	Bar	Sites	90 days
1	▼1	Statsig Feature flags + experiments + product analytics.		73%		8,718
2	▲1	GrowthBook Open-source feature flagging and A/B testing platform.		18%		2,095
3	–	Unleash Open-source feature flag and feature management platform		6.7%		802
4	–	LaunchDarkly Enterprise feature flag and experimentation platform for progressive software delivery.		3.7%		444
5	▲1	Flagsmith Open source feature flag and remote config service.		0.3%		33
6	▼2	Make This Better Feedback-capture widget that sends user screenshots, DOM and console context to coding agents.		0.1%		12
7	▲1	C ConfigCat Feature flag management service for controlled feature rollouts and A/B testing.		<0.1%		4
8		Versuch Feature flag and rollout targeting platform with a server-resolved rules API.		<0.1%		4
9	▲1	Hackle A/B testing, feature flag and experimentation platform for web and mobile products.		<0.1%		3
10		Hypertune Feature flag, A/B testing, and configuration platform.		<0.1%		2

Share is of the 11,886 sites using a feature flags tool; a site can use more than one. Arrows compare each tool's rank among sites launched in September with August. The line is its share of new sites over 90 days. Showing the top 10 of 14.

Watches, exports and the API give you every feature flags tool and the sites using each, from £15 a month.

Other kinds of tool most often found on the same sites, leaving out the plumbing every site has (DNS, CDN, hosting).

• Analytics 202
• Framework 145
• Advertising 143
• Error Tracking 109
• Meta Framework 107
• Javascript Library 101