TestFlight - iOS beta testing on the fly.
Appforshare.io - Extended Expiry | Extended Size | Extended Storage
TestFairy - Painless Beta Testing
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
AppHost - Free iOS and Android (IPA and APK) app hosting for enterprise and internal mobile apps.