TestFairy is an mobile app testing platform that offers centralized distribution, access to testers, data retention of testing sessions, recorded sessions , webhooks, continued development, user feedback and access to logs. There is a free tier and an an essentials kit that is offered for free. Similar platforms are TestFlight, Firebase App Distribution, HockeyApp, Deploygate, Appaloosa. An SDK for testing that can be incorporated in a beta mobile app before it’s distributed by one of the previous platforms is Instabug.