100,000 - 500,000 downloads
by wilfred anthony martin on 28/08/2014
by Mariusz Kujawski on 25/08/2014
But ads are too annoying
by Tausif Khan on 19/08/2014
by William Rotsaert on 18/08/2014
It makes my n7 2013 lag and makes the touchscreen unuseable. Fix it please.
by Subflat Waytizza on 16/08/2014
This is what I've resorted to. YouTube and calibration tools
by Mark Gooderum on 14/08/2014
Thanks to the author for this great free app.
by Charles Alva on 11/08/2014
It hangs when trying to do gamma test on Moto G device. :)
by Stacie Cheek on 11/08/2014
by richard griffiths on 10/08/2014
by George Brooke on 02/08/2014
Tries to press home key and exits test.
by Ar Shar on 28/07/2014
4 as it has pro / premium, else 5
by Peter Low on 12/07/2014
OK for testing, not for calibrating displays.
by Arthur Shogenoff on 01/07/2014
by Michael Kuzel on 01/06/2014
Every feature one could need is available, and even more continue to be added. Highly recommended.
by andrew miller on 28/05/2014
Suggested it as I'm sure others did so I'm supporting the Dev since he added it can't wait to test