ChatGPT Plus lists for $20 a month in the US, but the price you see can change...

https://www.rankbookmarkings.win/chatgpt-plus-has-a-list-price-of-20-but-the-actual-cost-you-pay-often-ranges

ChatGPT Plus lists for $20 a month in the US, but the price you see can change depending on your country and device. That’s because taxes like VAT or GST get added, plus app stores often add their own fees