http://www.coinparator.com/
For those that doesn't know mentioned APP, it works like this: You will submit owned coins/buy price. Coinparator tracks current rates, calculates your profits, generates charts...basically giving you all important data about your holdings.
- it's all free
- no registration or personal data required
- (yes, there is small ad banner in header, but that's it!)
General overview of holdings:

Generated charts for given portfolio:

If you have any suggestions, positive/negative feedback, bug reports -> I will be very happy to hear about that.
- right here in discussion on Prohashing forum
- via private message on Prohashing forum
- via email (website-> contact information)