A new iPhone app called “App Trailers” allows users to earn a variety of different gift cards just by watching iOS app video trailers.

The application is quite a good idea. As outlined by TechCrunch, users get points when they watch an app trailer on their mobile device. The same amount of points are rewarded to the user, regardless of whether the advertised app is purchased or not.

Once users of App Trailers have accrued a set amount of points, it’s possible to spend those points on gift cards. According to TechCrunch:

Rewards include a $1 Amazon gift card (100 points), a $5 REI gift card (500 points), $10 gift cards from Crate&Barrel, Fandango or Macy’s (1,000 points) and $25 gift cards from Nike, Nordstrom or Pottery Barn (2,500 points).

Obviously, it’ll take a while for users to earn themselves enough points to buy a valuable reward. But if you’ve got some spare time on your hands, it might be worth watching the occasional app trailer in between multiplayer rounds of Infinity Blade.

As mentioned, App Trailers is currently available to download in the App Store for free. Take a look at the app, and let us know if you’ve earned enough points to buy yourself a gift voucher in the comments below.