Be sure to sync your phone to iTunes (always better to be safe)
iPhone 3G/3GS/4/4S/5/5S iPod Touch 1G, 2G, 3G, 4G
iOS versions: 6.0, 6.0.1/2, 6.1/6.1.2, 7.0/.01/.02/.03/.04
iPad WiFi and WiFi + 3G + iPad 2 + iPad 3 + iPad with Retina + iPad Mini/Retina)
iPhone 3GS/4/4S/5/5S - iPad 1,2,3,4,Mini+Retina - iPod Touch on iOS 7.0-7.0.4Download Evasi0n tool at http://evasi0n.com released December 22, 2013. This is a simple one-button jailbreak!
Once your iDevice reboots you will have a new "Cydia" icon on your iDevice. Launch Cydia and after its initial startup (and restart), press the search tab within Cydia, search for the desired app, and click install! This will start your free 3-day trial. If you decide to purchase the app, return to the same screen in Cydia and click purchase. You will be asked to establish a Cydia Login and then make the purchase.
For more information on how to jailbreak: Visit ModMyI Guides