ChatGPT Plus has a $20 monthly list price, but the final cost differs by...

https://felixssuperperspective.brightsora.com/posts/does-chatgpt-plus-have-an-annual-plan-or-yearly-discount

ChatGPT Plus has a $20 monthly list price, but the final cost differs by country and device. That’s because local taxes like VAT or GST get added, and app stores tack on their own fees