There are 2 apps in MScopes family:
1. MScopes for USB Camera Webcam - this a free version with advertisements
2. MScopesPro for USB Camera - this is a paid version (one time only), it is without any advertisement and has more features
Both apps do not collect user data or send out any data to the app developer.
The free version, MScopes, do have advertisements. The advertisement providers do collect user data automatically for advertising, analytics, and fraud prevention purposes.
These apps require 2 user permissions:
"android.permission.RECORD_AUDIO"
"android.permission.WRITE_EXTERNAL_STORAGE"
The first permission is meant for user to record audio through smartphone microphone for the video recorded via USB camera attached to the device.
The 2nd permission is to allow either the image or video recorded to store into the external storage of the smartphone.