ChatGPT Plus has a listed price of $20 per month, but the amount you actually...

https://smoothdecorator.com/why-did-openai-keep-chatgpt-plus-at-20-since-february-2023/

ChatGPT Plus has a listed price of $20 per month, but the amount you actually pay can range from about $13 to $27. This difference happens because of extra fees like VAT or GST, plus app store charges on iOS and Android