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

https://www.bookmarking-jet.win/chatgpt-plus-is-listed-at-20-per-month-but-the-amount-you-pay-varies-from

ChatGPT Plus is listed at $20 per month, but the actual price you pay can vary between $13 and $27. This difference comes from extra fees like VAT or GST, and additional charges on app stores for iOS or Android