ChatGPT Plus lists at $20 a month, but the actual price you pay can vary from...

https://wiki-coast.win/index.php/ChatGPT_Plus_Price_in_Hungary:_Why_Is_It_So_High%3F

ChatGPT Plus lists at $20 a month, but the actual price you pay can vary from about $13 to $27. This difference happens because of extra taxes like VAT or GST in your country and fees added by app stores like Apple or Google