I have been disappointed with the mobile portfolio tracking apps available, so I wrote my own (iOS only for now). It has quite a few features with many more to come very soon.
Give it a try and let me know what you think, it helps me improve! cryptoptapp@gmail.com
Crypto PT (Portfolio Tracker)
https://itunes.apple.com/us/app/crypto-pt-portfolio-tracker/id1333273087?mt=8
https://www.facebook.com/cryptoptapp/