To cancel your ChatGPT subscription, make sure you do it through the same...

https://fast-wiki.win/index.php/Is_There_a_Cancel_Button_for_ChatGPT_Inside_the_iOS_App%3F

To cancel your ChatGPT subscription, make sure you do it through the same channel you purchased it—whether that’s the web, Stripe, Apple, Google Play, your business account, or API plan