Yep its really not safe to use. You go asking for help on slowness, crashes or memory leaks (so many potential 0days) and youre told to install beta and upload reports... so much for private and secure. Look at the marketing they do in r/android "private by design", i mean the app has 4 trackers compiled in wtf! how do they get away with lying like this?
Biting the hand that feeds IT
