ChatGPT Plus is listed at $20, but the actual price you pay can vary from about...

https://zoom-wiki.win/index.php/ChatGPT_Plus_vs_Pro:_Is_Pro_Actually_Smarter_or_Just_More_Quota%3F

ChatGPT Plus is listed at $20, but the actual price you pay can vary from about $13 to $27. This happens because of factors like local taxes such as VAT or GST and extra fees on iOS and Android app stores