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
Free and open source
Open sourceFrom $39 per month (entry live-testing plan)
PaidWhat drives the bill
The metric that actually scales your invoice.
Free software; you pay for the compute and for someone to keep it running.
Automated testing is priced by parallel virtual and real-device sessions; enterprise agreements are annual.
Free tier
Everything, self-hosted
Free trial; free tier for open-source projects.
Open source
Apache-2.0
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
Software Freedom Conservancy · since 2008
Widely used
Sauce Labs · since 2008
Strengths
Limitations
Best for
Organisations with platform engineering capacity and either scale or data-residency constraints.
Enterprises with security requirements and a need for cross-build test analytics.
All of these integrate with: Selenium, Jenkins.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.