ChatGPT Plus lists for $20 monthly, but the real cost varies from about $13 to...

https://source-wiki.win/index.php/How_Do_I_Cancel_ChatGPT_Plus_on_Google_Play%3F

ChatGPT Plus lists for $20 monthly, but the real cost varies from about $13 to $27 depending on where you buy it. Prices differ because of taxes like VAT or GST and extra fees from app stores