ChatGPT Plus is advertised at $20 per month, but the actual price can range...

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

ChatGPT Plus is advertised at $20 per month, but the actual price can range from about $13 to $27 depending on where you subscribe. This difference comes mainly from taxes like VAT or GST, and extra fees from app stores like Apple or Google