It's free, it's simple, and it's one of the best home security cameras on the market. With the free app, you can monitor what's happening at home, even if you're not there. It supports both front and back cameras and has a built-in microphone for recording and a camera flash for improved visibility. The best part is that it can be used as a pet cam, a nanny cam, a party cam, or any other type of webcam. 

This free app supports up to 4K video and has a built-in 50MB of free video storage. If you want to upgrade to the Pro version, you can purchase it through the Apple App Store.