ChatGPT Plus has a $20 list price, but the actual cost you pay can range from...

https://www.active-bookmarks.win/chatgpt-plus-is-listed-at-20-per-month-but-the-actual-price-you-pay-can-vary-1

ChatGPT Plus has a $20 list price, but the actual cost you pay can range from about $13 to $27. This happens because taxes like VAT or GST vary by location and app stores add fees on top