If the app is not willing to function when being denied SMS access it should simply not be allowed on the app store. I have yet to meet an app on my iPhone that shuts down unrelated function because I denied it access to my calendar, SMS or phonebook.
If the app is not willing to function when being denied SMS access it should simply not be allowed on the app store. I have yet to meet an app on my iPhone that shuts down unrelated function because I denied it access to my calendar, SMS or phonebook.