An amazing tool has been released by RipDev. This lets you download and install Cydia apps on your iPhone from your desktop. The app is currently working with MacOS and would be soon released for Windows systems.

The software costs $7 for the full version that will bring added functionalities. So now you can get rid of the troublesome WiFi / 3G / Edge networks that provide slow installation and keeps your iPhone busy for several minutes everyday!

See here