Install On Air, Diawi, The Beta Family, AppBlade, TestApp.io, Updraft, Visual Studio App Center, Applivery, TestFairy, AppHost, Appaloosa-Store, HockeyApp, TestLauncher, BoardingBot, BetaEasy, TestingCatalog, Tester Bee, Indietests, Einstore, ArgusQ, Applause, Exceptionless are some alternatives to TestFlight.