With spring on the horizon but record-breaking cold temperatures still ravaging parts of the country, everyone—especially travelers caught by a surprise storm or frigid temps—is doing what they can to stay warm.

While most people temper the bitter chill by adding multiple layers to their outerwear—that seems reasonable, no?—for some, that is apparently not enough. Enter iTunes App Store.

I know what you're thinking. How can an iPhone app possibly help keep me warm? Mashable reviewed an app that claims to be able to turn your phone into a hand-warming device. How does "Pocket Heater" work?

Not exactly resounding praise, but still intriguing nonetheless. After knowing how it works, the next logical question is: Does it work? Says Mashable:

So while you'll probably want to stick to just wearing insulated winter-ready garments, there's no denying the cool factor of this app. Want to try it out? It's only $.99 and available for download at the Apple App Store.

Joshua Pramis is an online associate editor at Travel + Leisure.