If you are looking for a specific from that era. I can provide step-by-step guides for your exact setup.
iOS 7 ran on both 32-bit (iPhone 5 and older) and early 64-bit (iPhone 5s) architectures. When Apple dropped 32-bit app support with iOS 11, thousands of classic games and utilities vanished from the App Store. Archiving these IPAs is the only way to keep them playable. Preservation of Original Mechanics ios 7 ipa archive
Using apps designed specifically for the iOS 7 design language ensures the UI matches the system software perfectly. The Challenges of Installing Legacy IPAs If you are looking for a specific from that era
To see how cutting-edge graphics looked on the iPhone 5 era hardware. When Apple dropped 32-bit app support with iOS
If you are building your own retro iOS archive, these are the legendary titles that defined the era:
shasum -a 256 app.ipa > app.ipa.sha256 zip -r app_metadata.zip Info.plist iTunesMetadata.plist