Tom Doyle W9KE has released a free satellite tracking App called Satellite Explorer Pro for the iPhone, iPad and iPod Touch

Watch ‘Satellite Explorer Pro’ for iPhone, iPad and iPod Touch

Satellite Explorer Pro can be downloaded from the iTunes store at
https://itunes.apple.com/us/app/satellite-explorer-pro/id669039200

Ham Radio Satellite Explorer App for Windows 8 devices
https://amsat-uk.org/2013/01/26/ham-radio-satellite-explorer-app/

SimpleSat Look Down PC satellite tracking software now available
https://amsat-uk.org/2012/06/12/simplesat-look-down-v1-0-now-available/

For those with Android devices there is a different Satellite Tracking App produced by G4DPZ – AmsatDroid Free
On Google at https://play.google.com/store/apps/details?id=uk.me.g4dpz.HamSatDroid
On Amazon at http://www.amazon.com/G4DPZ-AmsatDroid-Free/dp/B00DK7XXYK/