We've often wondered by a site like Kickstarter lacked an official iOS app, but that ends today with the release of Kickstarter for iPhone. The crowdsourcing site's new app allows you to view campaigns, watch the pitch videos that go along with them, and pledge your cash towards one of the reward levels offered. If you've created a campaign, you can track your progress in the app as well. The app is not yet iPad-native, but it does support iPhone 3GS and later, including support for the iPhone 5 4-inch display. Grab Kickstarter for iPhone for free.