Step 1: Open Settings on your iOS device. Step 2: Tap on iTunes & App Store. Step 3: Tap on the Apple ID at the top of the screen, and then select View Apple ID. Ensure that you are signed in on your phone with the Apple ID that bought the subscription for the application you want to cancel. Step 4: Tap Subscriptions and find the subscription you want to manage. Step 5: Select Cancel Subscription. You can also choose a different subscription offering.