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 €3,690 per year (indicative, per named-user Studio licence)
PaidFree and open source
Open sourceWhat drives the bill
The metric that actually scales your invoice.
Perpetual and subscription options exist; runtime-only licences for CI agents are cheaper than authoring seats.
Free and open source. Microsoft also sells a hosted parallel-runner service; the library itself has no paid tier.
Free tier
30-day trial.
Everything, self-hosted
Open source
Apache-2.0
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Established
Idera · since 2007
Category standard
Microsoft · since 2020
Strengths
Limitations
Best for
Organisations automating Windows desktop applications.
Teams that write their own tests and want the lowest-flake open-source option available.
All of these integrate with: Jenkins, Azure DevOps.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.