Then, whichever app you want to use a webcam with, instead of selecting your hardware webcam, choose the OBS Virtual Camera option instead.

You can also use it for security, or more specifically, you can use your old Android phone as a home security camera.

We hand-picked the best and most popular software solutions for using your Android smartphone as a webcam and dug pretty deep into their strengths and weaknesses so we can single out the best one.