ChatGPT Plus is listed at $20 per month, but the actual cost can range from...

https://riversinterestingthoughtss.wpsuo.com/what-is-the-real-chatgpt-plus-price-range-13-to-27

ChatGPT Plus is listed at $20 per month, but the actual cost can range from about $13 to $27 depending on where you subscribe. This difference is often due to taxes like VAT or GST and extra fees charged by app stores on iOS and Android