We noticed that your app requests the user’s consent to access the camera, but doesn’t sufficiently explain the use of the camera in the purpose string.
To help users make informed decisions about how their data is used, permission request alerts need to explain and include an example of how your app will use the requested information.
Next Steps
Please revise the purpose string in your app’s Info.plist file for the camera to explain why your app needs access and include an example of how the user's data will be used.
You can modify your app's Info.plist file using the property list editor in Xcode.
Another rejection reason was this: