1. i wanted to use my phone camera to show light spectrum of lamps... unable to useIt force you to install the plus version and create an account .... Completely unprofessional and even cheating!!!!must purchase an external sensor.
2. Interface is outdated.Excellent app, helped me find the source of the noise in my apartment.It requires other hw connectedKeeps crashingU suckNot functional on a Note 5Pretty intuitive.
3. unclear about requirements: its necessary to have an external sensor fdom this brand to take any measurements.
4. completely useless.Wack, doesn't use phone camera.