ChatGPT offers a permanent Free plan available to all users. Occasionally,...

https://smoothdecorator.com/how-do-i-check-if-im-about-to-be-charged-for-chatgpt-plus-on-android/

ChatGPT offers a permanent Free plan available to all users. Occasionally, targeted promotions provide free trials for the Plus plan, which may require a payment card and will auto-renew unless canceled