I wonder if somebody can come up with a solution for the following problem.
I have created an iOS app of which for the first x amount of days the unknown user (guest) will have access to the full version of the app.
Then after the "trial" period i want to then put them on the free version of the app which will be ad supported if they don't want to pay a fee.
one issue i can for see is that the user could simply delete the app and reinstall to then restart the trial period.
One solution i can possibly imagine is that a file is uploaded to a "secure" section of the users iCloud account and check against that?
Has anybody come up against this issue before and what was the best solution you discovered without the need of a registration signup?
Thanks
Thomas