PhotonCamera uses advanced algorithms for capturing and processing raw images which give unmatched HDR outputs. PhotonCamera is currently in beta stage and is having rapid development.
Features:
HDRX - This functionality enables advanced stacking of many underexposed images and creates beautiful outputs.
Utilize each camera lens, by the main, wide, macro, telephoto or even IR, a functionality not available in other open source apps.
Manual Control - Easy to use knobs to control Focus, Shutter Speed and ISO on the go.
Configurable Settings :
Number of frames(maximum)
Sharpness
Saturation
Shadow Strength
Interactive viewfinder
Enabling the grid
Enabling viewfinder rounding
Advanced mode settings
Save separate settings for each camera lens
Wide range of supported devices.
According to ExodusPrivacy on aurora store it has 2 trackers, cashlytic and firebase
Supposedly the version on Github releases doesn't have the Google libraries.
https://github.com/eszdman/PhotonCamera/issues/109
Still, I would wait until this app is in F-Droid before considering it. It includes some other libraries of unknown source.
https://github.com/eszdman/PhotonCamera/issues/46