Chose Sauce Labs
Sauce Labs offers more features than all 3. BrowserStack is less expensive for very limited features. Katalon does not provide the minimum functionality required for most clients. Experitest support is lacking and very difficult to get a response from.
Invited by TrustRadius (TR) on Vendor's Behalf
A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info