Bither is an online or offline portfolio.
Bither Wallet Offline: Private keys are protected by a numeric password. There is real-time monitoring of the state of the network (Wifi, 3G, Bluetooth). There is also a security check for private keys. You can register your unsigned transactions on the online wallet. There is an automatic backup of recovery.
Online purse: You can easily track your Bitcoin savings with the Only Watch mode. You can prepare your unsigned transactions for Only Watch address. The online portfolio also supports private keys.
You have access to real-time prices of the main Bitcoin exchanges.