The inbox is incredibly slow to load up ("refreshing conversations...") compared to the native SMS app or even Whatsapp (iPhone 4, 4.2, 3G 3 bars). And while it

The inbox is incredibly slow to load up ("refreshing conversations...") compared to the native SMS app or even Whatsapp (iPhone 4, 4.2, 3G 3 bars). And while it loads up, it doesn't seem to be possible to switch from the inbox to the dialer or the "Menu"... It's also crashed twice when opening after receiving a text notification. (disappointed sigh).