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

https://garrettwigp625.tearosediner.net/what-does-manage-on-the-app-store-mean-in-chatgpt-settings

To cancel your ChatGPT subscription, make sure to do it through the same channel you originally used—whether that’s the web, Stripe, Apple App Store, Google Play, Business portal, or API