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TestFlight
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<p>TestFlight is an online service for <a href="/facts/Over-the-air_programming/0XNujW2W">over-the-air</a> <a href="/facts/Installation_(computer_programs)/EQzPeYv2">installation</a> and testing of <a href="/facts/Mobile_application/r7vp6meo">mobile applications</a>, currently owned by <a href="/facts/Apple_Inc./oTJYta3k">Apple Inc.</a> and only offered to developers within the <a href="/facts/IOS/mK5cggH5">iOS</a> Developer Program. Developers sign up with the service to distribute applications to internal or external <a href="/facts/Beta_tester/z4Q4RElA">beta testers</a>, who can subsequently send feedback about the application to developers. The TestFlight SDK additionally allows developers to receive remote logs, crash reports and tester feedback. </p><p>TestFlight initially supported testing of <a href="/facts/Android_(operating_system)/nNyHb0xz">Android</a> and <a href="/facts/IOS/mK5cggH5">iOS</a> applications, but since March 2014, Apple has retracted support for Android. As of 2015, applications must be published for TestFlight using <a href="/facts/Xcode/glURdIVT">Xcode</a>, and testers must be invited using <a href="/facts/ITunes_Connect/Ec8FIcaJ">iTunes Connect</a>. </p><p>Developers can also provide a TestFlight invitation code to testers via email or a web page. When the link is opened on an iPhone with the TestFlight app installed, a tester can directly install the beta app on their device. Developers can build beta tester groups directly using the App Store and Xcode integration and publicize these invitation links. </p><p>After invitation, up to 100 internal testers (with up to 30 devices each) and 10,000 external <a href="/facts/Beta_tester/z4Q4RElA">beta testers</a> can download and test the application build. Up to 100 apps can be tested at a time, internally or externally. Testers may be grouped and separate builds created for each group. The TestFlight application for iOS notifies testers when new builds are available, features to focus on, and enables sending of feedback. </p>