If you are pulling a modified app from a repo4tweakipa source on a non-jailbroken device, you must manually sign and install it. Follow these steps using popular tools: Method 1: Using AltStore or SideStore
No, you do not need a jailbreak, but you need a "jailed" method of installation, such as TrollStore, to install the patched IPA. Can I use this for all apps? repo4tweakipa
: A desktop-based tool that allows you to drag and drop IPA files directly onto your device. If you are pulling a modified app from
For advanced users, utilities available on repositories like GeoSn0w's iDevice Toolkit GitHub allow you to inject your own .dylib tweak files into clean App Store IPAs right from your computer or device. Essential Safety and Risk Management you do not need a jailbreak