It's Tor for android and ios. Not really a VPN in the since most understand it. (Difference between Tor and VPN - <a href="https://security.stackexchange.com/questions/72679/differences-between-using-tor-browser-and-vpn" rel="nofollow">https://security.stackexchange.com/questions/72679/differenc...</a> ).
Also on App Store:<p><a href="https://apps.apple.com/us/app/orbot/id1609461599" rel="nofollow">https://apps.apple.com/us/app/orbot/id1609461599</a>