Sure, you're a pro at booking cabs and swiping right on Tinder, but you can do so much more with your smartphone than just get a ride or a date (and you know, make calls). Here's a list of 12 unexpectedly cool things that the mini-computer in your pocket can do: Work as a sci-fi thermal camera. Seek Thermal gives you the thermal technology that was once only available for the military and other professionals. It's a tiny camera that attaches to your smartphone so you can get a thermal image of anything around you, showing you a temperature snapshot of your environment.

Double up as a handy leveling tool.

There are tons of free bubble level apps on both iOS and Android that can help you in hanging pictures and aligning shelves with utmost accuracy.

Measure height, distance and width using your camera's lens.

Tired of pinching yourself on tape measures? Interested in measuring really tall things? There are several apps that can measure practically anything for you through your its camera lens!