Before you decided to buy an application from the App Store, it is good if you have test drive the full version of the application first. You can use the full version of an application using Installous. Of course you cannot done this without hacking and cracking. Firstly you need to have a jailbreaked iPhone. After that you can install the Installous so that you can access variety of premium application for free. Please remember that using Installous to use crack application is unethical and a piracy crime. Only use Installous to test drive a software so that you will not feel regret afterwards.
Here is the method to install Installous in your iPhone. Firstly open the Cydia application. Once your iPhone is jailbreaked, you should have the Cydia application. If you don’t have the Cydia application, there is a high chance that your iPhone is not jailbreaked yet.
At the Cydia, Go to Manage > Sources > Manage > Edit > Add. Add this URL into the prompt text box, http://cydia.hackulo.us and wait for the link to be verified. Once the link is verified, you just need to search for Installous application and install it. Once the installation is finished, you can find the Installous icon on the springboard. Now you can download any test drive any paid application that you want before buying it.
[Via Hairulazni ]