ChatGPT Plus is listed at $20 per month, but the actual price you pay can range...

https://record-wiki.win/index.php/ChatGPT_Plus_Price_in_the_Eurozone:_Why_Is_It_%E2%82%AC23%3F

ChatGPT Plus is listed at $20 per month, but the actual price you pay can range from about $13 to $27. This difference comes from factors like taxes (VAT or GST) and extra fees from app stores such as Apple or Google