is Mozilla VPN free

The standalone Mozilla VPN app https://vpn.mozilla.org is not free. https://support.mozilla.org/en-US/kb/mozilla-vpn-free You do have 30 days to request a refund. https://support.mozilla.org/en-US/kb/how-do-i-request-refund-mozilla-vpn

The desktop and more recently Firefox for Android has a built-in VPN feature https://support.mozilla.org/en-US/kb/built-in-vpn https://support.mozilla.org/en-US/kb/mobile-android-vpn However unlike a full VPN like the Mozilla VPN app, the built-in VPN in Firefox like most free built-in browser and Extension VPN's routes the browser traffic through proxy servers. You get 50GB of data usage that resets on 1st of new month.