VPN on public Wi-Fi

Public networks carry traffic that anyone else on the same network can observe. A VPN encrypts the connection between the device and the VPN server, preventing local eavesdropping.

Reliable options

  • ProtonVPN (free tier available, audited, Switzerland-based)

  • Mullvad (no account required, accepts cash payment, audited)

  • IVPN (transparent, audited)

How to use

  • Install the app and create an account.

  • Connect before joining any public network.

  • On Android: Settings → Network & Internet → VPN → enable Always-On VPN for automatic protection.

Free VPN services that do not charge for the service tend to monetise through data collection. The product is the traffic.