Shellfire offers a choice of 3 different services. The free option offers the most common OpenVPN protocol, with a low level of encryption, it allows access to servers in the US and Germany but cannot access any streaming sites – it also has pop-up ads. Premium and Premium plus both require a paid subscription but do not have any ads, they do have unlimited speed and bandwidth plus a selection of additional features, such as the option to use streaming sites and higher levels of security and encryption. Shellfire products can be used on Windows, Mac OS X and Android, but the paid options can also be used on iOS, Linux and DD-WRT routers. Subscriptions are available for either 1, 3 or 12 months, with each offering a 14 day money back guarantee.