Help a little spherical hero rescue his girlfriend in Chillingo's physics puzzler, Rolling Hero. We also have an alarm clock app that will help you wake up feeling refreshed, and a retro-inspired grid-based puzzle game.
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.
Smart Alarm Clock: sleep cycles & noise recording ($0.99 → Free, 25.2 MB): Wake up feeling refreshed every morning with this smart alarm clock app. It monitors your sleep phases to determine exactly when your body is ready to wake up. Just set the time you want to wake up, adjust the mic sensitivity, pick a track to fall asleep to, and then place your iDevice next to you. The next morning you’ll be able to review your stats and listen to your recording to discover any disturbances. The app includes 20 built-in tracks, weather data, and the ability to share your stats via Facebook, Twitter, or email.
Smart Alarm Clock: sleep cycles & noise recording is available for free for a limited time. It has a 4.5-star rating with a total of 19 ratings.
Squarescape ($0.99 → Free, 11.1 MB): Escape to where you belong in this retro-inspired grid-based puzzle game. Guide your lonely square around puzzling environments to capture circles and escape to the exits. Just swipe to slide your square, but keep in mind you can only move it again once it has stopped. Avoid traps and utilize environmental items to your advantage to reach the exit in as few moves as possible. The game includes a total of 100 levels, and achievements and leaderboards via Game Center.
Squarescape is available for free for a limited time. It has a 4.5-star rating with a total of 335 ratings.
KaleidoVision ($0.99 → Free, 13.6 MB): With KaleidoVision you don’t just watch videos, you interact with them. The app turns any non-DRM video into a psychedelic treat by allowing you to apply different kaleidoscopic filters. Each filter can be manipulated while a video is playing by tapping, dragging, or pinching your fingers together on different areas of the screen. The app includes the ability to take screenshots, import videos from your library, and save videos locally. It also includes TV-out support.
KaleidoVision is available for free for a limited time. It has a 4-star rating with a total of 38 ratings.
Knockball ($0.99 → Free, 15.0 MB): This aptly titled physics puzzler requires you to knock all of the silver balls off of the board in as few shots as possible. Tap and drag your finger away from your target, and release to fire your golden ball. You don't even have to place your finger over the golden ball to fire it. It can be anywhere on the screen. Just don't allow your golden ball to fall off before you're finished removing the silver balls. The game includes 140 puzzle levels, 60 competitive levels, three themes, and leaderboards via Game Center.
Knockball is available for free for a limited time. It has a 4.5-star rating with a total of 80 ratings.
In Yo' Face - Zoomed In Celebrity Photo Game ($1.99 → Free, 59.3 MB): Find out just how well you know your celebrities with this trivia app. You're provided with a zoomed in photo of a random celebrity and a collection of letters, and you must simply try to guess who it is. You'll receive a handful of coins for correctly guessing the celebrity, which can be used to zoom out on photos or skip them altogether. You can also ask your Facebook and Twitter friends for help.
In Yo' Face - Zoomed In Celebrity Photo Game is available for free for a limited time. It has a 5-star rating with a total of 6 ratings.
ComicBook! ($1.99 → Free, 30.1 MB): Become a comic hero or villain with this photography app. It provides you with the tools to make your very own comic book. You're able to choose from 30 different frame layouts, 10 photo filters, nine auto-scaling text caption styles, 58 scalable comic graphics, and seven licensed comic fonts. When you're finished slapping it all together, you're able to save your comic as a PDF or as a JPEG image. You can also share it via Facebook, Twitter, or email. Additional sticker packs are available via in-app purchase.
ComicBook! is available for free for a limited time. It has a 4.5-star rating with a total of 2837 ratings.
FlickStackr for Flickr ($1.99 → Free, 13.7 MB): Get excited about Flickr again with this ultimate photo sharing app. You can browse all of the photos in the Flickr universe, upload and manage your own, and edit your photo metadata. The app includes support for viewing videos, a slideshow mode, search, an offline mode, AirPlay support, multiple account support, and a whole bunch more.
FlickStackr for Flickr is available for free for a limited time. It has a 4-star rating with a total of 125 ratings.
Rolling Hero ($0.99 → Free, 78.0 MB): Help the Rolling Hero save his girlfriend from the evil Redman in this physics puzzler. Instead of controlling the little spherical hero directly, you get to control the environments he's trapped within. Tap the sides of the screen to rotate the entire level, and get him rolling into the exits as quickly as possible. Collect the letters and flowers scattered all over to unlock new levels and score more points. The game includes five worlds, 48 levels, and achievements and leaderboards via Game Center.
Rolling Hero is available for free for a limited time. It has a 4-star rating with a total of 17 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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If you are a developer who would like to get your app included in our “Apps Gone Free” daily lists, here’s our basic set of rules:
- It must have at least a three-star average rating at the time it goes free.
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