How can I opt out of third party App Stores on iOS?
Many countries, most recently my own (Australia) have found the Apple App Store uncompetitive.
Being fairly privacy/security conscious, ideally I'm hoping Apple can implement a system on iOS similar to that on macOS, where it's possible to opt out of allowing unsigned/untrusted apps to be installed, essentially locking the phone by user choice into just allowing the Apple App Store and trusted/signed apps.
[Re-Titled by Moderator]
Original Title: Third party app stores - opt out
iPhone 14 Pro