Do Third-party Apps Work On IOS?
You can use iCloud with third-party apps on your iPhone, iPad, iPod touch, and Mac. For an overview of what you can do with iCloud, see Keep third-party app data up to date on all your Apple devices with iCloud.
Can APKS run on iOS?
Installing APK files on your iPhone is impossible. That's because these files are designed to be run on Android devices. Android apps are compiled into the Dalvik executable file, which is present inside an APK package. As for iOS; it runs compiled files from IPA, usually coded with Xcode language.
How Do I Install An APK File On My iPhone? (Explained) | WhatsaByte
How do I trust 3rd party apps on iOS?
Tap Settings > General > Profiles or Profiles & Device Management. Under the "Enterprise App" heading, you see a profile for the developer. Tap the name of the developer profile under the Enterprise App heading to establish trust for this developer. Then you see a prompt to confirm your choice.
Install custom enterprise apps on iOS - Apple Support
Why does Apple not allow third-party apps?
“Supporting sideloading through direct downloads and third-party app stores would cripple the privacy and security protections that have made iPhone so secure, and expose users to serious security risks”, said Apple.
Why Apple doesn't allow you to sideload third-party apps on iPhone