The technology routes the VPN traffic via TCP 443 and UDP 33434 ports, which makes the traffic harder to detect and block. VPN Unlimited supports protocols such as IKEv2, L2TP, OpenVPN, PPTP, and a proprietary protocol called KeepSolid Wise. The app is also available as an extension for Mozilla Firefox, Opera, Edge, and Google Chrome browsers. VPN Unlimited has desktop applications for Windows, macOS, and Linux, and mobile apps for iOS and Android. Īs of 2021, VPN Unlimited operates 500 servers in more than 80 locations worldwide. In 2019, VPN Unlimited added an open-source WireGuard protocol to the list of available VPN protocols, in addition to IKEv2 and OpenVPN. In November 2018, VPN Unlimited released a lite version of freemium apps for Android and iOS. In May 2016, VPN Unlimited received the Editor's Choice Award by PCMag.

KeepSolid was established in 2013 as a software development company and launched VPN Unlimited on iOS with two servers. VPN Unlimited has 500 servers about 80 locations around the world and operates under the jurisdiction of the United States. Founded in 2013 in New York, KeepSolid provides cybersecurity software. VPN Unlimited is developed by KeepSolid Inc, an American company with headquarters in New York City, the United States. KeepSolid VPN Unlimited is a personal virtual private network software product available for iOS, macOS, Android, Windows, and Linux.