June Wan/ZDNETI’m going to start off by saying that when presented with a free VPN service, I typically turn and run because most of those services cannot be trusted one bit. Even some paid VPN services aren’t always what you think they should be. However, there are some VPNs that carry with them a reputation for being secure, stable and trustworthy. Nearly all of those VPNs have an associated cost, some of which can only be used for free during a trial period. And then there’s ProtonVPN.Also: Best VPN services 2025: How the fastest VPNs with the best networks stack upProtonVPN has developed a very good reputation because the service and the apps are stellar. I’ve used ProtonVPN on Linux and Android for quite some time and have always been pleased. But what if you don’t have the budget for a paid ProtonVPN account and you’re 100% certain you need a trustworthy VPN for your Android device? What do you do? You’re in luck because you can use ProtonVPN on Android for free.Before you get too excited, using ProtonVPN for free means you’ll lack a few features. For example, you can only protect one device at a time, you get medium VPN speeds and you’re limited to servers in five countries. You also do not get the opportunity to choose which server you use. As a result, you won’t be able to masquerade your device as a specific location. Also: 3 things to consider when buying a new VPN – and why ‘free’ isn’t always bestEven so, a limited (trusted) VPN is still better than none (especially when you’re connecting to insecure networks). How to install ProtonVPN What you need: An Android device and an Internet connection. That’s it. Let’s dive in. More