ChatGPT Plus is listed at $20 per month, but the actual price can vary between...

https://papa-wiki.win/index.php/Why_Do_People_Quote_$240_per_Year_for_ChatGPT_Plus_If_It_Is_Monthly_Only%3F

ChatGPT Plus is listed at $20 per month, but the actual price can vary between about $13 and $27 depending on your location and platform. The main reason is extra taxes like VAT or GST, and app stores like Apple and Google add their own fees