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 $1 per device hour (physical devices, indicative)
Free tierFrom $50 per month (indicative entry plan)
Free tierWhat drives the bill
The metric that actually scales your invoice.
Pay-as-you-go per device hour on the Blaze plan; virtual devices are cheaper than physical.
Priced by device minutes and concurrent sessions; the on-premise hybrid option is licensed separately.
Free tier
Free daily quota of virtual and physical device minutes on the Spark plan.
Free trial with limited device minutes.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
Google · since 2016
Emerging
Kobiton · since 2016
Strengths
Limitations
Best for
Android-first teams that want real-device coverage at the lowest cost.
Mobile teams that want a device cloud but must keep some devices on premises.
All of these integrate with: Appium, GitHub Actions.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.