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

https://www.apu-bookmarks.win/chatgpt-plus-lists-at-20-per-month-but-the-actual-price-you-pay-can-vary-from

ChatGPT Plus is listed at $20, but the actual price you pay can vary from about $13 to $27. This depends on things like VAT or GST taxes in your country or extra fees added by app stores on iOS and Android