InstallerApp is a desktop client for Mac OS X that allows you to download applications from Installer and Cydia repositories and install them on iPhone via USB connection.
It includes a pusher that allows you to install apps not coming form the AppStore on your iPhone without having to jailbreak it.
InstallerApp allows you to sync Mac and iPhone apps with no problems. It’s a good way to install all kind of applications on your iPhone or iPod Touch.
InstallerApp installs a lite application on the iPhone which is run in the background to check packets installed on the device.