If you'd like to cancel the My Diabetes subscription that was purchased via App Store, please follow these steps:
- First, make sure you're signed in to the correct Apple ID account on your Apple device.
- Go to the Settings app of your Apple device (not the My Diabetes app).
- Click your name at the very top of the window.
- Tap Subscriptions.
- Find My Diabetes subscription, then tap Cancel subscription, and then Confirm.