The advertised ChatGPT Plus price is $20, but the actual cost often varies...

https://www.mediafire.com/file/yjut74llakej1hf/pdf-37467-61545.pdf/file

The advertised ChatGPT Plus price is $20, but the actual cost often varies between $13 and $27. This happens because of added fees like VAT or GST and extra charges from app stores