Guides / Browser VPN vs VPN app — Chrome and system-wide protection
Browser VPN tools vs a full VPN app
Search results often mix “VPN for Chrome” with real VPN apps. They are not the same. Browser-only tools usually protect that browser’s tabs; a system VPN can cover apps across the device.
What a browser-only VPN typically covers
Extensions and “VPN” modes inside a browser mainly tunnel traffic that browser sends. Other apps — mail, maps, messengers, games — often stay on the normal network path.
What a system VPN app covers
4U installs as a system VPN profile on iOS or Android. When connected, supported device traffic is sent through the encrypted tunnel, not only one browser window.
That matters on public Wi‑Fi and travel networks where you open banking, mail, and chat apps — not just websites.
Which should you use?
- Need privacy for many apps on the phone → prefer a system VPN app like 4U
- Only browsing in one desktop browser → a browser tool may feel lighter, with narrower coverage
- Want free use without creating an account → 4U’s free timed session starts from the store app
Some OS features (captive portals, emergency calls, vendor exceptions) may bypass a VPN. Check your device settings if something must stay off-tunnel.