Blockfolio is a financial app aimed at cryptocurrency users. You'll be able to glance quickly at your cryptocurrency investments.
It is possible to also have it send you notifications when prices reach a specified threshold. It tracks over 800 currencies right now and you can get details about each one. There is also a news section if you're interested in keeping up with what's new in the industry. It's completely free and that's always nice. This is a good for folks who take cyrptocurrency seriously.