ChatGPT Plus lists at $20 a month, but the final price varies by your country...

https://zoom-wiki.win/index.php/Why_Does_ChatGPT_Plus_Pricing_Swing_So_Much_With_Exchange_Rates%3F

ChatGPT Plus lists at $20 a month, but the final price varies by your country and device. That’s because of local taxes like VAT or GST, plus extra fees from app stores if you subscribe on mobile