Similarly, I've used the 'NeuralCam Live' app that also turns an iphone into a webcam. It's free to use, with extra paid options too. The biggest downside is th

Similarly, I've used the 'NeuralCam Live' app that also turns an iphone into a webcam. It's free to use, with extra paid options too. The biggest downside is the lack of microphone support, which seems an odd omission. I think the article is missing the obvious solution: if you can't buy a standalone webcam with as good image/sound quality as a phone, then use/make software that lets you use the phone hardware, there's no need to try to build your own camera.