ChatGPT Plus lists at $20 a month, but the actual price can vary depending on...

https://www.bookmark-xray.win/the-listed-price-for-chatgpt-plus-is-20-per-month-but-the-actual-cost-can

ChatGPT Plus lists at $20 a month, but the actual price can vary depending on your country and device. Extra costs like VAT or GST taxes and app store fees get added on top. Buying through an app store usually costs more because they charge a markup