Here’s a comprehensive guide on , covering what it is, key features, pros and cons, pricing, and how to use it. What Is IObit VPN? IObit VPN is a virtual private network service developed by IObit , a company best known for system utilities like Advanced SystemCare and Driver Booster. Unlike many standalone VPNs, IObit VPN is often bundled with or offered as an add-on to IObit’s other software, though it can also be used separately.