Whether you’re trying to be more organized, want to see the latest app from NASA or just want some paid apps for free, you’re going to be happy with this week’s list. There’s a great organization app called Wunderkit that promises to keep you on track. NASA released a traffic controller game, and Steam Mobile is out of beta already. Then there are also all those limited time freebie apps. Enjoy.

This week on the Free Apps Roundup: Can’t tell what the song you’re listening to is trying to say? It can be difficult. That’s why Shazam is back with a new app to add information to your music. Shazam Player will stream the lyrics straight to your device, so you can finally know what Fall Out Boy is saying. In addition, Steam released their beta mobile app, and I found a number of great limited time freebies to keep your device brimming with apps.

If you love learning like you should, you’re going to love what Apple’s done for iTunes U. Now it’s not just a section in iTunes, it’s a great app for iPhone and iPad. So download iTunes U, find some interesting (science) classes and then, instead of doing homework, download a game or two.

We’re one day less than a month away from Valentine’s Day, and since it can often take that long for some of us to prepare, here’s another app to get you in the romantic mood. This one comes in the form of a camera—Valentine Camera+ 1.0—to be exact. The photo and video app offers 20 different Valentine themed, lovely frames for photos shot on any camera-equipped iOS/Android mobile device, for free through Monday.

This week on the Free Apps Roundup: It’s time to get back on track with your resolution this year with Runtastic, another great choice in running apps. Or perhaps you’d rather get back on the go kart track with Tiki Kart 3D. Join Tiki Bobby and race your way to victory in the kind of graphics and mayhem you’ve come to expect in a kart racer, just without the price tag. All this and more on this week’s list.

The holidays are over and chances are good you had to head back to work this week. CloudOn wants to help with their MS Office app that creates, views and edits Excel, Word and PowerPoint files. Now you can work anywhere. Joy. In case you’ve had enough work, you’ll enjoy the other great apps and games I found, all of which will only be free for a limited time.

Many of us make New Year’s Resolutions to stop bad habits, and few of us succeed. That’s because habits are hard to break without help, which is where these apps (some of which are free) come in. With these apps on your iPhone, iPad, or iPod touch, you can make 2012 a better year by removing bad habits from your life.

It’s 2012, which means it’s time to buy a new Mayan calendar and to stay / get back in shape. The winter does a number on many waistlines, and there are two ways to fix it: diet and exercise. I’ve rounded up some free apps to help what is statistically most likely to be your more »

With the holidays mostly gone (I’m not entirely sure what holidays compose “the holidays”), it’s time to start thinking of yourself for the coming year. That’ll mean resolutions, but first, it means rewarding yourself with some great apps for iPhone, iPad and iPod touch. Here’s our roundup of free iOS apps and sales up to more »

It’s almost the end of 2011, and I say let’s wrap up the year with just a few more free apps to keep that home screen of yours full. Yes, it’s been quite the year for the App Store, the kind of year that has reminded you why app folders are necessary. I found one more »