Here is a list which can help you turn that your smartphone to a perfect webcam, which you could use to spy on someone or simply use it to chat with people of video chat platforms like Skype and others.
The listed is in no other of importance, for some the last can be the best while others the top ones can be their best it depends on what suits a user. No two fingers are the same. The apps listed here are simply to install and use, they are novice-friendly
Free Webcam List
1. IP Webcam
This app turns your phone to a very poweful tool. View your camera on any platform with VLC player or web browser. Stream video inside WiFi network without internet access. Use IP Webcam with tinyCam Monitor on another android device or with third-party MJPG software, including video surveillance software, security monitors and most audio players. Videochat support (e.g. Skype, Chatroulette, only video stream for Windows only via an universal MJPG video streaming driver)
This not only a medium for connecting your phone’s camara to your computer, this app also serves as baby monitor camara, spy camara and it’s also used for security monitor. EpocCam also supports Mac OS X. EpocCam is compatible with Skype, Windows Live Messenger, Google+ Hangouts, Facebook Video Calling, Chatroulette, YouTube and other webcam-enabled applications. Go beyond built-in camera quality with HD 720p video that is sharper and more dynamic.
3. Smartcam app
Turns your phone to webcam, it has both desktop and mobile versons. It works with both wifi and bluetooth.
Is one thing to know the Apps it’s another to learn to use it, read this post to learn how to fix your smartphone and use it as webcam