You could try RealityCapture, https://www.capturingreality.com/, which is a professional 3d capturing software. It has been free to try since Epic bought it. Unfortunately, you'll need a lot of photos to get reliable 3d models. But playing with it will probably give you an understanding of how hard that problem really is.
So far as I can tell, the RealityCapture software only runs on Windows. You would have to feed it pictures or data from somewhere else (like your phone), but the software itself doesn’t run on the phone.
It also seems to focus on creating 3D models of things and not spaces.
