Many fearful flyers obsess about the likelihood of crashing, so Am I Going Down? - designed for iPad but also usable on iPhone - works that angle specifically. It allows you to enter the details of your actual flight, and drawing from real historical and statistical data, the app will demonstrate the extreme improbability – often on the order of a million to one – of anything going amiss on your flight. A great mind-easer, indeed.

It's one of our selected 6 Apps to Help Vanquish Fear of Flying.