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

https://telegra.ph/ChatGPT-Plus-File-Upload-Failed-Is-It-the-20MB-Image-Limit-08-05

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