Ultrasurf

Download Ultrasurf v3.3.6 APK (12.83 MB). Secure, free VPN for Android that protects your browsing. Easy install, compatible with Android 5.0+.

Version: 3.3.6 Size: 12.83 MB Updated: October 14, 2026

Click the button above to start your download — nothing downloads automatically.

Frequently Asked Questions

Is Ultrasurf safe to use? +

Ultrasurf is a free VPN that encrypts your traffic, but you should download the APK from a trusted source and review the permissions it requests.

What Android version is required? +

The app works on Android 5.0 (Lollipop) and newer.

Do I need to create an account? +

No, Ultrasurf does not require any registration or login.

Can I install Ultrasurf over the original version? +

Yes, you can install the APK over an existing installation; the app will be updated to the new version.

Why does the app say 'App not installed'? +

This can happen if the APK is corrupted, not compatible with your device's CPU architecture, or if a previous version was not fully removed.

Are there older versions of Ultrasurf available? +

Older versions may be found on reputable APK archives, but using the latest version is recommended for security and compatibility.

Do I need extra OBB or data files? +

No, Ultrasurf is a single‑file APK and does not require additional OBB or data packages.

Will a VPN connection affect my device’s battery life? +

Running any VPN can increase battery usage slightly because of encryption overhead, but the impact is usually minimal.