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

https://wiki-site.win/index.php/How_Do_I_Get_a_ChatGPT_Refund_from_Google_Play_Within_48_Hours%3F

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