Guard Viewer is a free, powerful mobile surveillance client that lets you access your IP cameras, NVRs, and DVRs in real time — from your phone, tablet, or desktop.



Guard Viewer is a free mobile surveillance client app developed by KeyLife International Technology. Compatible with Uniview (UNV) cameras, NVRs, DVRs, and ONVIF-compliant devices, it gives you complete remote access to your security system from iOS, Android, Windows, or Mac.

No subscriptions, no hidden fees. Guard Viewer is 100% free to download and use.
Available on iOS, Android, Windows, and Mac — access your cameras from any device.
Supports up to 1,000 devices and 256 channels for enterprise-scale deployments.
Available in 29 languages for users around the world.
Everything you need to stay connected to your cameras
Watch real-time video from up to 16 cameras simultaneously with split-screen display.
Review recorded footage with variable speed playback from 1/4x to 4x, and scrub through timelines.
Full pan, tilt, zoom control with preset positions and focus adjustment for speed dome cameras.
Receive instant push notifications for motion detection, intrusion alerts, and device events.
Manage up to 1,000 devices across 256 channels through the star4live.com cloud platform.
Communicate through your cameras with built-in two-way audio support for real-time conversations.
Features
Guard Viewer packs professional-grade monitoring features into an intuitive mobile experience.

Get started in three simple steps
Install Guard Viewer for free from the App Store, Google Play, or download Guard Station for desktop.
Scan a QR code, enter a P2P code, or use auto-discovery to connect your cameras and NVRs.
View live feeds, play back recordings, control PTZ cameras, and receive alarm notifications instantly.
Install Guard Viewer for free from the App Store, Google Play, or download Guard Station for desktop.
Scan a QR code, enter a P2P code, or use auto-discovery to connect your cameras and NVRs.
View live feeds, play back recordings, control PTZ cameras, and receive alarm notifications instantly.
Easy Setup
Point your camera at the device QR code for instant pairing.
Enter the device registration code for remote cloud access.
Connect directly using the device IP address or domain name.
Automatically find devices on your local network.
One app, every platform
iOS 8.0+
Android 4.4+
Windows 7+
macOS 8.0+
Broad device compatibility
IP Cameras
NVRs & DVRs
Speed Domes
Video Doorbells
Guard Viewer takes your privacy seriously. Data is encrypted in transit, and you can request deletion of your data at any time.
Read Privacy Policy→FAQ
Join over 500,000 users who trust Guard Viewer for their surveillance needs.