ChatGPT Plus officially costs $20 per month, but the actual price you pay can...

https://wiki-byte.win/index.php/If_I_Take_a_ChatGPT_Plus_Trial,_Will_It_Charge_$20_After%3F

ChatGPT Plus officially costs $20 per month, but the actual price you pay can range from about $13 to $27. This change happens because different platforms add extra fees like VAT, GST, or app store markups