Short explainers for people searching how to use a free VPN without signup, stay safer on public Wi‑Fi, understand logging, and get started with 4U on iPhone or Android.
Use a free VPN session without creating an account. What “free” includes, and where Premium starts.
Read guideWhy open networks are risky, and how a VPN helps protect traffic on shared Wi‑Fi.
Read guidePlain-language overview of 4U’s data minimization approach, aligned with the Privacy Policy.
Read guideInstall, grant VPN permission, pick a server, connect, and know when the free session ends.
Read guideDirect path from the web to App Store and Google Play, with what to expect after install.
Read guideUse a VPN when you move between hotels, airports, and mobile roaming networks.
Read guideGet 4U on iPhone, allow the VPN configuration, and connect in a few taps.
Read guideInstall 4U from Google Play, accept the VPN permission, and connect on Android 9+.
Read guideHow a virtual private network tunnels your traffic — and what it does not magically solve.
Read guidePractical criteria for evaluating free VPN apps — privacy policy, permissions, stores, and tradeoffs.
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