ChatGPT Plus is listed at $20, but the actual price you pay can be between $13...

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

ChatGPT Plus is listed at $20, but the actual price you pay can be between $13 and $27 depending on where you subscribe. This difference happens because of extra fees like VAT or app store charges