ChatGPT Plus has a list price of $20 per month, but the actual cost you pay can...

https://remote-wiki.win/index.php/Are_Modified_Android_Apps_Real_ChatGPT_Plus_Access%3F

ChatGPT Plus has a list price of $20 per month, but the actual cost you pay can range from about $13 to $27. This difference comes from extra charges like VAT or GST and app store fees on iOS and Android