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

https://spark-wiki.win/index.php/ChatGPT_Plus_Brazil_Price:_Is_It_Really_R$99.9_or_More%3F

ChatGPT Plus is listed at $20 monthly, but the actual price you pay can range from about $13 to $27 depending on your location. This difference happens because of added taxes like VAT or GST and extra fees charged by app stores like Apple or Google