ChatGPT Plus is listed at $20, but what you actually pay can vary between $13...

https://wakelet.com/wake/_ACH6Tp_ms7-OEVRlOcTd

ChatGPT Plus is listed at $20, but what you actually pay can vary between $13 and $27 depending on where you buy it. The difference comes from extra fees like VAT or app store charges on iOS and Android