You can control your full membership subscription in your settings on the website. To end the subscription, simply uncheck the 'renew subscription' box and your full membership will be valid until the end of the period you paid for. Your payment details will be removed automatically and your full membership can only be extended when you personally set up a new payment. 




Subscriptions through Apple are managed by Apple on your iPhone:

1. Go to Settings > [your name] > iTunes & App Store.
2. Tap your Apple ID at the top of the screen.
3. Tap View Apple ID. You might need to authenticate your Apple ID.
4. Tap Subscriptions.
5. Tap the subscription that you want to manage. ...
6. Use the options to manage your subscription.