TestFlight - iOS beta testing on the fly.
Appaloosa-Store - Appaloosa helps businesses maximize the deployment of enterprise mobile apps. Deploy your enterprise app store for Apple iOS and Android apps to employees & testers.
Boombox.io - iOS devs rejoice! Embeddable HTML and hosted TestFlight beta sign-up forms.
TestApp.io - A platform that helps both mobile app developers and owners to easily share their apps with everyone to get feedback before reaching publicly to Google and App stores.
Visual Studio App Center - Continuous everything – build, test, deploy, engage, repeat
AWS Device Farm - Improve the quality of your iOS, Android, and web applications by testing against real mobile devices in the AWS Cloud.