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

https://www.coast-bookmarks.win/the-listed-chatgpt-plus-price-is-20-per-month-but-the-actual-charge-can-vary

ChatGPT Plus is listed at $20, but the actual price you pay can range from about $13 to $27. This difference comes from factors like taxes (VAT or GST) and app store fees that get added on top