ChatGPT Plus is officially priced at $20 per month, but the real cost can vary...

https://www.slideserve.com/aaron_ward92/why-does-chatgpt-plus-cost-more-on-android-than-on-the-web

ChatGPT Plus is officially priced at $20 per month, but the real cost can vary from about $13 to $27 depending on where you buy it. Prices differ because of taxes like VAT or GST and extra fees app stores add