So for my new app I\'m having a URL scheme so that people can launch my app from another app or from a website... \"myapp://\" ... So what happens if there is another ap
According to the Apple docs:
If multiple third-party applications register to handle the same URL scheme, it is undefined as to which of the applications is picked to handle URLs of that type.
Exact quote from the Apple docs, for 8 consecutive years:
Note: If more than one third-party app registers to handle the same URL scheme, there is currently no process for determining which app will be given that scheme.
Sources:
As of September 2019, this part of the documentation was removed from the Apple website. The closest related document may now be Register Your URL Scheme.