U Youtube Ipa Online

(iPhone Application Archive) allows for features not typically available in the standard app, such as ad-blocking, background playback, and sponsor segment skipping. Since the official App Store version now requires iOS 16 or newer

Generally, if you download the IPA from a reputable open-source developer (like those found on GitHub), the code is transparent and safe. Avoid "cracked" sites that bundle malware with the file.

Technically, yes. Circumventing YouTube Premium’s payment wall (no ads + background play) is a violation of Google’s Terms of Service (Section 6, prohibited uses). While you are unlikely to be sued, you are stealing a service that costs $13.99/month.