: Best for those who want to repurpose old smartphones as security cameras. It provides instant intruder alerts and a "walkie-talkie" function. Essential Features to Look For
: Look for apps that allow you to view a 4- or 6-camera grid view simultaneously. ip camera viewer.apk download
: The best apps can perform their own motion detection and send push notifications even if your camera doesn't natively support it. : Best for those who want to repurpose