GoIV is an android app made for Pokemon GO that allows users to seamlessly calculate their Pokemon's IVs. GoIV does not interfere with Pokemon GO or their servers.

github.com/farkam135/GoIV
From version GoIV 3.2.0:
All versions
September 23, 2016
September 2, 2016
August 28, 2016
August 27, 2016
August 24, 2016
August 18, 2016
August 17, 2016