ChatGPT Plus is listed at $20 per month, but you might pay between $13 and $27...

https://wiki-tonic.win/index.php/ChatGPT_Plus_File_Upload_Failed:_Is_It_the_20MB_Image_Limit%3F

ChatGPT Plus is listed at $20 per month, but you might pay between $13 and $27 depending on where you subscribe. Differences come from taxes like VAT or GST and fees added by app stores such as Apple or Google