A VPN on your iPhone or Android is a mobile app that secures your device's internet connection. When activated, it encrypts all data leaving your phone, protecting your personal information like emails, bank details, and browsing history from being intercepted, especially on public Wi-Fi. It also hides your real IP address, making your online activity anonymous and allowing you to access content that might be restricted in your current location. On both platforms, the VPN integrates with the system settings, and once you grant permission, you can easily connect or disconnect with a single tap from the app, giving you enhanced privacy on the go.