From your iPhone,
Open the Settings app
Tap on your name
Tap Subscriptions
Tap the subscription you want to manage
Tap Cancel Subscription. If you don't see Cancel, the subscription is already canceled and will not renew.
You can also cancel subscription from Mac, Apple watch, Apple TV or even from a PC.
If you change your device or reinstall the app, you may need to restore your previous purchases to access your paid features again. Simply tap the “Restore Purchases” button in the app, usually found in the Settings or Premium section.
Need support with any of my apps or services? Just simply write an email to dev.tamim.apps@gmail.com