A great app if you want to see prices for bitcoin, ethereum, litecoin, Monero and a few other alt coins. It shows you exchanges kraken, poloniex, bitfinex, okcoin, Btce, gdax exchanges.
You can adjust the time frame on the charts and it shows real time buy and sell orders on the exchanges.
Here are some of the alt coins also listed on this app.
Here is the Bitcoin exchanges listed on this app.
This is a free app in the Apple Store and a great app if you want to track your cryptos or day trade.