ChatGPT Plus is listed at $20 a month, but the final cost varies by country and...

https://www.bookmarking-keys.win/the-listed-20-price-for-chatgpt-plus-often-varies-between-13-and-27

ChatGPT Plus is listed at $20 a month, but the final cost varies by country and device. That’s because taxes like VAT or GST get added, plus app stores charge extra fees when you subscribe through their platforms