---
title: "Page 2 | VPN explainers | Tunnel Verdict"
description: "What a VPN does and does not do, in plain terms: IP addresses, leaks, protocols, battery and public Wi-Fi."
url: "https://tunnelverdict.com/blog/explainers/page/2/"
lang: "en"
image: "https://tunnelverdict.com/og/blog.jpg"
alternates:
  es: "https://tunnelverdict.com/es/blog/explicaciones/pagina/2.md"
---

VPN reviews, comparisons and guides

# VPN explainers, page 2

What a VPN does and does not do, in plain terms: IP addresses, leaks, protocols, battery and public Wi-Fi.

Explainer

## [Is Using a VPN Legal](https://tunnelverdict.com/blog/is-using-a-vpn-legal/)

Is using a VPN legal? Learn what it changes, travel and streaming rules, privacy limits, and what to check before choosing a VPN.

Explainer

## [Free vs Paid VPN: What You Give Up and What You Pay](https://tunnelverdict.com/blog/free-vs-paid-vpn/)

Free VPN vs paid VPN explained with real limits, upfront prices, renewal costs, device support, streaming rules and a practical choice.

Explainer

## [Do You Need a VPN on Your Phone](https://tunnelverdict.com/blog/do-i-need-a-vpn-on-my-phone/)

Do I need a VPN on my phone? Learn when it helps, what it costs, how to set it up, and when to turn it off.

Explainer

## [What Is a VPN and What Does It Do](https://tunnelverdict.com/blog/what-is-a-vpn/)

Learn what is a VPN, what it protects, what it cannot hide, how to set it up, and how to compare plans, free tiers, and renewal prices.

Explainer

## [Should You Leave Your VPN On All the Time](https://tunnelverdict.com/blog/should-you-leave-vpn-on/)

Should I leave my VPN on all the time? Compare privacy, speed, battery, data and app access, then set auto-connect and always-on the right way.

Explainer

## [Does a VPN Protect You on Public Wi-Fi](https://tunnelverdict.com/blog/vpn-on-public-wifi/)

Does a VPN protect you on public Wi-Fi? See what HTTPS already covers, what a VPN adds at cafes, hotels and airports, and what it cannot stop.