TestFlight - iOS beta testing on the fly.
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.
Appforshare.io - Extended Expiry | Extended Size | Extended Storage
AppHost - Free iOS and Android (IPA and APK) app hosting for enterprise and internal mobile apps.
TestLauncher - TestLauncher provides crowdsourced QA and managed dedicated QA teams 24/7.
TestFairy - Painless Beta Testing