ChatGPT Plus has a $20 list price, but what you actually pay can vary from...

https://paxtonssmartperspective.cavandoragh.org/chatgpt-plus-price-in-the-eurozone-why-is-it-23

ChatGPT Plus has a $20 list price, but what you actually pay can vary from about $13 to $27. This difference comes from taxes like VAT or GST and extra fees added by app stores on iOS and Android