Find your way out of the bowels of the earth and return to civilization in 10tons' casual matching game, Azkend 2 HD. We also have an app that will help you avoid data overages, and a side-scrolling shooter that's a total blast.
All app prices are subject to change at any time and without notice regardless of stated free duration. Price changes are solely under the control of the developers.
15E Scientific Calculator ($2.99 → Free, 6.2 MB): Crunch numbers like nobody's business with this 15E scientific calculator emulator. It mimics the look and feel of that classic calculator in every way possible. It's able to perform numerical integration and solve the roots of equations while also supporting complex numbers and matrix calculations. There's even an in-app manual that features tutorial videos to help you take advantage of every last feature.
15E Scientific Calculator is available for free today only (06/04). It has a 4-star rating with a total of 59 ratings.
Felix for App.net (iPhone Edition) ($4.99 → Free, 8.5 MB): This slick social networking app allows you to keep in touch with your friends on App.net. Felix features an innovative gesture-driven interface that allows you to access its most important features with just one touch. You're also able to curate your streams by collapsing post authors, mentions, hashtags, conversations, reposters, and clients. The app includes full private messaging support, push notifications, 1Password integration, multiple account support, and multiple themes and fonts to choose from.
Felix for App.net (iPhone Edition) is available for free for a limited time. It has a 5-star rating with a total of 96 ratings.
DataMan Next : Track Data Usage In Real-Time ($0.99 → Free, 270.5 KB): Avoid expensive data overages with this utility app. Before you can begin tracking your data usage, you'll need to first define your cycle and data cap. DataMan will then begin to track your usage over 3G, 4G, LTE, and Wi-Fi. It will also provide you with a forecast for the month, and can send you push notifications when you break certain thresholds.
DataMan Next : Track Data Usage In Real-Time is available for free for a limited time. It has a 4-star rating with a total of 168 ratings.
Rocket Riot™ ($2.99 → Free, 19.0 MB): You'll have an absolute blast playing this side-scrolling shooter from Chillingo. You're able to navigate your jetpack-equipped character through the environments by dragging your finger around the left side of the screen. You're able to aim your bazooka by dragging your finger around the right side. Fire rockets at your opponents to wipe them all out before they can do the same to you. The environments are completely destructible, so fire away! The game includes 48 levels, 100 unlockable characters, power-ups, and achievements and leaderboards via Game Center.
Rocket Riot™ is available for free for a limited time. It has a 4.5-star rating with a total of 347 ratings.
Wikiweb ($2.99 → Free, 3.6 MB): Explore WIkipedia in a whole new way with this reference app. After searching for a specific topic, Wikiweb will present you with a web of connected articles. Tapping on an article will expand the web further. You can then tap and hold to reveal and read the article. The app includes the ability to change the font size on the fly, table of contents, and the ability to share what you've discovered via Twitter, Facebook, SMS, or email.
Wikiweb is available for free for a limited time. It has a 4.5-star rating with a total of 190 ratings.
Doodle Fit ($0.99 → Free, 36.3 MB): Don't let the doodle graphics fool you. This puzzle game is going to require all of the mental power you have. You must grab pieces from the bottom of the screen and try to fit them into the space above. The game includes almost 500 levels, hints, support for multiple profiles, and achievements and leaderboards via Game Center.
Doodle Fit is available for free for a limited time. It has a 4-star rating with a total of 711 ratings.
Azkend 2 HD - The World Beneath ($4.99 → Free, 174.6 MB): The sequel to 10tons' smash hit casual matching game. This time around you're tasked with acquiring pieces of items that will help you find your way out of the bowels of the earth and return to civilization. You must match at least three adjacent tiles with the same symbol in order to remove them from the board. This will not only cause new tiles to appear, but also unlock more of the board. Once the entire board has been revealed, a piece of the item you're trying to construct will appear, and you must work it out of the bottom of the screen to collect it. The game includes three modes, more than 60 levels, and achievements and leaderboards via Game Center.
Azkend 2 HD - The World Beneath is available for free for a limited time. It has a 4-star rating with a total of 81 ratings.
All-in YOGA: 300 Poses & Yoga Classes ($3.99 → Free, 43.3 MB): This health and fitness app allows you to perform yoga anytime, anywhere. It’s loaded with more than 300 yoga poses and breathing exercises, each featuring text instructions, pose photos, an audio guide, and video. Poses are broken down by ability and type. You can participate in the ready-made programs as well or craft your own. The app also includes 45 ready-made yoga programs, a calendar to help you track your workouts, and 15 music tracks.
All-in YOGA: 300 Poses & Yoga Classes is available for free for a limited time. It has a 5-star rating with a total of 14 ratings.
That concludes today's issue of Apps Gone Free. If you like staying on top of these daily deals, don't forget to check out our free AppsGoneFree app. 
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