To cancel your ChatGPT subscription, be sure to do it through the same platform...

https://atomic-wiki.win/index.php/I_Subscribed_on_Android_but_Tried_Canceling_on_ChatGPT.com_%E2%80%93_Why_Did_Nothing_Happen%3F

To cancel your ChatGPT subscription, be sure to do it through the same platform where you signed up—whether that’s the web (Stripe), Apple App Store, Google Play, Business, or API billing