So let's be clear. iCloud+ Private Relay is a feature of iCloud+. If you buy any iCloud storage, you'll get the iCloud+ features. But while Private Relay can hide your email address and location, it only does it when you're using Safari. If you're using Chrome (or any applications that use the Internet directly), you're out of luck. It also shows up as a proxy server, so if you don't want anyone to know you're using a VPN, you're out of luck. You also can't change or hide your location, as you can with a full VPN. Private Relay is a feature of iCloud+. A VPN is a full security solution.