Shellfire VPN is described as 'Powerful and user-friendly VPN service that secures your internet connection and protects your privacy on all major operating systems, including Windows, Mac, iOS, and Android. With servers in over 40 countries, it allows you to bypass geo-restrictions and' and is a VPN service in the security & privacy category. There are more than 100 alternatives to Shellfire VPN for a variety of platforms, including Windows, Mac, Android, iPhone and iPad apps. The best Shellfire VPN alternative is Proton VPN, which is both free and Open Source. Other great apps like Shellfire VPN are Mullvad, Windscribe, Psiphon and Shadowsocks.