# VPN
> A VPN creates an encrypted tunnel between your device and the internet service you connect through.
Topics: Apps, Connectivity
Difficulty: Everyday
Aliases: virtual private network
Updated: 2026-06-26T08:00:00.000Z
## Why it matters

A VPN can help on public Wi-Fi, but it does not make you anonymous or immune to scams.

## Go deeper
A VPN creates an encrypted tunnel between your device and the internet service you connect through. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.