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

https://dibz.me/blog/is-there-a-chatgpt-plus-free-trial-i-can-click-to-start-1223

ChatGPT Plus is listed at $20, but the actual price you pay can vary from about $13 to $27 depending on where you subscribe. This variation happens because of taxes like VAT or GST and extra fees added by Apple or Google when you buy through their apps