Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
From $99 per month (indicative, by tested visitors)
Trial onlyFrom $45 per month (indicative, Start-up plan)
Free tierWhat drives the bill
The metric that actually scales your invoice.
Priced only on tested traffic — unlimited experiments, domains and users at every tier.
Considerably cheaper than LaunchDarkly, and self-hosting removes usage pricing entirely.
Free tier
15-day trial.
Free cloud tier with a monthly request allowance; open-source self-hosting is unlimited.
Open source
BSD-3-Clause (core)
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Emerging
Convert Insights · since 2010
Established
Flagsmith · since 2018
Strengths
Limitations
Best for
Mid-sized e-commerce teams that want unlimited client-side testing with clean privacy handling.
Teams wanting straightforward flags without LaunchDarkly pricing or Unleash's operational depth.
All of these integrate with: Segment.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.