ChatGPT Plus is listed at $20 per month, but the actual cost varies from about...

https://direct-wiki.win/index.php/How_Do_I_Get_the_12_Month_ChatGPT_Plus_Military_Program%3F

ChatGPT Plus is listed at $20 per month, but the actual cost varies from about $13 to $27 depending on where you buy it. This happens because prices outside the web often include extra charges like VAT, GST, or app store fees