I jailbroke my phone so I could use biteSMS, overboard, themes, myfi, etc.. and I can tell you they are worth every penny. If you don't have a credit card go to a store and buy a mastercard gift card, you can usually add a name and address to them using a website on the back of the card and you can use that to put the card on a paypal, google, or amazon account so you can buy the apps on Cydia.. Support the devs, without the devs you would not have apps in the first place