You should have Cydia installed on iPhone in order to install installous. Installous is a free app-installation tool that contains thousands of free apps in its repository just like itunes app store. The difference is, installous offers free apps that you have to purchase on itunes app store. In other words, Installous is a program that lets you install cracked apps the same way you install official apps. You can also use Installous to install iPhone apps from downloaded ‘.ipa files’ or ‘app files’ directly on your iPhone. Installous is not available in Cydia app store. It is hosted by its developers in its own installation source. Installous can be installed by adding the Hackulous source to the Cydia. Cydia and Installous can only be installed on jailbroken iPhones. Here is how to install Installous on iPhone.