Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Widgeridoo - Custom and pre-made widgets for iOS and macOS
UserTest.io - User testing made simple. High-quality, affordable user testing solutions from real users, here in the UK. Improve your usability!
Glimpse - Discover trends before they're trending
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
Widget Web - Widget Web is a handy application that allows you to view the content of web pages in a widget on your iOS device’s home screen.