You are generally looking for YouTube version 12.xx or earlier . Versions 13.01 and up generally require iOS 11.
Best for temporary testing.
To understand why you need an IPA file, you must first understand why the App Store no longer works for you. Youtube Ipa For Ios 10.3.4
For now, as of late 2025, the (version 15.11.1 + TubeFixer) remains the gold standard. It gives your vintage iPhone 5 at least another year of life as a bedside video player. You are generally looking for YouTube version 12
Keyboard memory leak in iOS 10.3.4. Fix: Install "KeyboardAccio" from Cydia. It unloads third-party keyboards before YouTube launches. To understand why you need an IPA file,
No expiration if you have a developer account, else 7 days.
Outdated VP9 codec decoder. Fix: In YouTube settings (inside the app), find "Video codec" and force H.264 or AVC . Disable "VP9 support."