ChatGPT Plus is listed at $20 a month, but the actual price you pay can range...

https://wiki-cafe.win/index.php/Why_Did_OpenAI_Keep_ChatGPT_Plus_at_$20_Since_February_2023%3F

ChatGPT Plus is listed at $20 a month, but the actual price you pay can range from about $13 to $27. This difference comes from taxes like VAT or GST and extra fees that app stores add