These are web-based "tweak stores" that install apps via mobile profiles. Not true IPA installers, but simpler for beginners.
If the Shortcut uses an enterprise certificate, you must:
Here's an example shortcut code that installs an IPA file using IPA Installer:
The Shortcut IPA Installer method has revolutionized how iOS enthusiasts manage their apps. Traditionally, installing an IPA file required a computer or a paid developer account. Now, thanks to the power of the Shortcuts app and specific helper utilities, you can sign and install applications directly on your iPhone or iPad.