The advertised ChatGPT Plus subscription price is $20 per month, but the actual...

https://smoothdecorator.com/why-did-openai-keep-chatgpt-plus-at-20-since-february-2023/

The advertised ChatGPT Plus subscription price is $20 per month, but the actual cost you pay can range from about $13 to $27. This difference comes from factors like VAT or GST taxes in your region and extra fees added by app stores like Apple or Google