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Flagr vs Flagsmith
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Price
Free
Feature Management
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Free
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Feature Management
Overview
Focus
Feature Management
Feature Flag Management
Product
Open source feature flagging and A/B testing tool by Checkr with REST API and evaluation engine.
Flagsmith is an open-source feature flag and remote configuration platform that enables teams to manage feature releases, A/B tests, and remote configuration across applications.
Headquarters
San Francisco, California
London, United Kingdom
Company size
201-500 employees
11-50 employees
Founded
2018
2019
Pricing details
Published rate
Free
Free options
Free plan, Free trial
Free plan, Free trial
Source updated
Oct 29, 2026
Nov 1, 2026