Chose TestingBot
I chose TestingBot because it is easier to install on my site as well if you compare it with other testing services that I have known. Also, the live interactive testing is very fluid with TestingBot which was not the case with the other tools.
Independently Invited by TrustRadius
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