Available at: https://github.com/DanTheMan827/ios-app-signer

MASTG-TOOL-0102: ios-app-signer

ios-app-signer is a GUI-based tool for macOS that allows you to re-sign iOS apps and bundle them into IPA files ready to be installed on an iOS device. It can be installed using the .app file from the GitHub releases or via brew on macOS:

brew install --cask ios-app-signer

For more information about installation and use, see their website.