Like attaching a pair of trainer-wheels to your bike, Steadycam Pro stabilizes recording video so you get a neater, less-wobbly result. How does it de-shake your videos? With the use of algorithms, but that's all developer Midnox is letting on. Do check out the video for a look at how much magic the app contains, and if you like what you see, you can download it for free now. [iTunes via Wired]