If you'd like to turn off your Add-on Prints (iOS):
Tap into your subscription with active Add-on Prints
Tap the "Settings" (gear icon) in the top right corner
Tap Photo Prints
Slide the toggle and tap "Turn off Photo Prints"
If you'd like to turn off your Add-on Prints (Android):
Tap into your subscription with active Add-on Prints
Tap the "Settings" (gear icon) in the top right corner
Tap Photo Prints at the top of the page
Slide the toggle button and tap "Turn off Photo Prints"
To turn them back on, follow these instructions and slide the toggle on and tap "Reactivate Photo Prints"
