ChatGPT Plus has a $20 list price, but what you pay can vary from about $13 to...

https://www.romeo-bookmarks.win/chatgpt-plus-is-listed-at-20-monthly-but-the-actual-price-you-pay-can-vary

ChatGPT Plus has a $20 list price, but what you pay can vary from about $13 to $27 depending on where you buy it. This happens because of taxes like VAT or GST and extra app store fees on iOS or Android