Time trials are not allowed, if they completely disable the app's use. Also restrictions such as limiting the number of runs are not allowed. Apps should have core functionality that does not expire. However, you can use In App purchase to let certain features expire and then charge to unlock these again.
Time trials are not allowed, if they completely disable the app's use. Also restrictions such as limiting the number of runs are not allowed. Apps should have core functionality that does not expire. However, you can use In App purchase to let certain features expire and then charge to unlock these again.