Product teams of 10 to 200 engineers that want end-to-end test coverage built and maintained for them instead of hiring QA staff.
Product engineering teams of 10 to 500 people that need to run automated browser and mobile tests across many real devices without owning a device lab.
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Startup engineering teams of 5 to 100 people that want end-to-end tests kept in their repo and run as a required CI check.
Small engineering teams without dedicated QA staff that want pull-request testing without writing scripts.