Computer Basics

Mobile apps

An iPhone running a mobile app

Desktop and laptop computers aren't the only devices that can run apps. You can also download apps for mobile devices like smartphones and tablet computers, which opens up a lot of new possibilities. Here are a few examples of mobile apps:

• RedLaser: You can use RedLaser to compare prices while shopping. You simply scan an item's barcode using your phone's built-in camera, and the app searches the Web for the best price.
• Word Lens: Word Lens is a language translator app. Like RedLaser, it uses your phone's camera to take a picture of a sign, menu, or other text you want to translate, and it displays the translation for you.
• Foursquare: If you're going out to a restaurant, bar, or mall, you can "check in" with Foursquare to find nearby friends and also let your friends know where you are. Foursquare can also show you a list of nearby businesses (using your phone's built-in GPS), which can help you discover places you've never been to before.

Compared with traditional applications, mobile apps are relatively cheap. Many of them cost as little as $0.99, and others are free. If your mobile device has an Internet connection, you can download apps directly onto the mobile device. Otherwise, you can download them to your computer and then transfer them over.

Some of the tutorials on GCFLearnFree.org are available as mobile apps. You can go to our Mobile Apps page to download them for free.