Most manufacturers provide at least one app to use for cell phone viewing.
Listed below are the apps we recommend to use for each brand with links to download on Android and iPhone.
Uniview (has a "UNV" logo) and Uniarch
Uniview Blank (Custom Branded/No "UNV" Logo)
Guard Viewer: Android - iPhone
R-Series
RXCamView: Vivotek
VIVOTEK iViewer: Android - iPhone
ZKTeco
ZK Atlas: Akuvox
SmartPlus: