Wait, portable versions usually mean you can install them without needing a full setup, maybe like portable apps for Windows that don't require installation. But on iOS, apps are usually installed via TestFlight or enterprise accounts. Also, downloading older versions from outside the App Store could be against Apple's policies. I should mention the legal aspects here.
Below is an essay exploring the context, technical implications, and risks associated with these types of software downloads. youtube 13426 ipa download portable
SideStore / AltStore: These are popular for maintaining "permanent" installations by auto-refreshing the app's 7-day signing certificate. information about a legitimate app named "YouTube 13426"
Plume Impactor / Sideloadly: These tools allow you to sign the IPA with your Apple ID and install it via a PC or Mac. Wait, portable versions usually mean you can install
7-Day Limit: Free Apple IDs only allow apps to stay active for 7 days. You must "Refresh" the app over Wi-Fi using AltStore to keep it working.
If you are looking for a stable version of YouTube, search for "uYouEnhanced IPA"
Best Sideloading Tools 2026 | Install IPA Files on iPhone & iPad No PC