ChatGPT Plus lists at $20 a month, but the final price depends on your country...

https://direct-wiki.win/index.php/Is_ChatGPT_Plus_Ever_Cheaper_in_the_App_Store_(Like_%E2%82%AC21.99_in_Italy)%3F

ChatGPT Plus lists at $20 a month, but the final price depends on your country and device. Taxes like VAT or GST add on top, and if you subscribe through an app store, expect extra fees they charge