The listed price for ChatGPT Plus is $20 per month, but the actual cost you pay...

https://lukasnpyy234.cavandoragh.org/what-is-the-cheapest-country-for-chatgpt-plus-right-now

The listed price for ChatGPT Plus is $20 per month, but the actual cost you pay can vary from about $13 to $27. This difference comes from extra fees like VAT or GST in your region, plus app store charges when buying on iOS or Android