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

https://www.adirs-bookmarks.win/chatgpt-plus-has-a-listed-price-of-20-per-month-but-the-actual-amount-you-pay

ChatGPT Plus has a $20 list price, but what you actually pay can vary from about $13 to $27. This difference comes from taxes like VAT or GST and extra fees added by app stores on iOS and Android