FreeShutterCounter is macOS application that shows Canon EOS DSLR shutter count.
1D C, 1D X, 1D Mark IV, 7D Mark II, 7D, 5D Mark III, 5D Mark II, 6D, 70D, 60D, 50D, 40D, 700D, 650D, 600D, 550D, 500D, 100D, 1200D, 1100D, 1000D
1D X Mark II, 5DS, 5DS R, 5D Mark IV, 5D, 80D, 750D, 760D, 1300D
freeshuttercounter-1.2.2.dmg (1.6 Mb) OS X 10.7-10.12
This app is based on libgphoto2 library (macOS framework build script can be found here: https://github.com/lnxbil/GPhoto2.framework)