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
Quote on request
Quote onlyFree and open source
Open sourceWhat drives the bill
The metric that actually scales your invoice.
Quote-based beyond the free tier; priced by annual test runs.
Free and open source. Microsoft also sells a hosted parallel-runner service; the library itself has no paid tier.
Free tier
Free plan with a limited monthly run allowance.
Everything, self-hosted
Open source
Apache-2.0
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Established
Tricentis · since 2014
Category standard
Microsoft · since 2020
Strengths
Limitations
Best for
Teams with fast-changing UIs that need maintenance to stay low.
Teams that write their own tests and want the lowest-flake open-source option available.
All of these integrate with: Jenkins, CircleCI.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.