Typically when we're talking about using your smartphone while driving, it's either for maps or because it's making your car into a death trap. iOnRoad is a pretty darn good attempt at using your phone to make you safer.
What's it do?
It's an app that uses your phone's native camera and sensors to tell you if you're driving a safe distance from the cars in front of you, and alerts you visually and audibly if you're approaching a car or object in front of you that pose a danger for collisions.
Why do we like it?
Battling AR aliens around the city is cool and all (kind of), but this is the kind of thing that the really stupidly advanced tech that we take for granted every day should be used for. It runs in the background so you don't have to close out of navigation apps, and its audio alert is good for if you're a distracted or sleepy (read: dangerous and bad) driver. It's also got some cool features like automatically starting up when you start driving.
Download this app for:
Can be a lifesaver
Not great at night