ChatGPT Plus lists for $20 a month, but the final cost varies by country and...

https://eduardosnicechat.publishlane.com/posts/does-chatgpt-plus-auto-renew-after-a-trial-or-promo

ChatGPT Plus lists for $20 a month, but the final cost varies by country and device. That’s because taxes like VAT and GST get added depending on your location. If you subscribe through an app store, expect a higher price due to their commission markup