Guide Ratty safely through challenging courses while performing crazy tricks to try and make your way to the top of the leaderboards in Donut Games' entertaining side-scroller, Rat On A Skateboard. We also have a voice assistant app that's able to speak news, email, and other important information, and a photography app that allows you to see the world without ever leaving your house.
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.
iPhone:
Colorblind Vision ($2.99 -> Free, 1.1 MB): See the world through the eyes of someone who is color blind with this medical app. The app includes real-time camera filters to simulate four types of color deficiencies: Deuteranopia, Protanopia, Tritanopia, and Achromatopsia. It's the perfect app for designers trying to verify that their creations work for everyone, or for those who just want to see what it's like to be colorblind.
Colorblind Vision is available for free for a limited time. It has a 4-star rating with a total of 21 ratings.
A Pew Pew Land II - The Ultimate Defense Game ($2.99 -> Free, 48.8 MB): Keep the creeps out of Pew Pew Land by deploying all kinds of weapons in this supremely colorful fixed-path tower defense game. You're able to place weapons on the map by dragging and dropping them into place, and you can upgrade them throughout the game with the coins you earn from taking out creeps. The game includes five worlds, 100 levels, two modes, 14 weapons, five special abilities, and leaderboards and achievements via Game Center.
A Pew Pew Land II - The Ultimate Defense Game is available for free for a limited time. It has a 4-star rating with a total of 56 ratings.
PhotoMaps ($1.99 -> Free, 1.7 MB): Discover the world around you without ever leaving your house with this photography app. Just tap on a location on the map to view photos taken by other Panoramio users, or shake your device to be taken to a random place. You can scroll through the images at the bottom of the screen by swiping left and right and a pin will pop-up on the map allowing you to view exactly where each one was taken. You can also tap on a photo to view it at full resolution.
PhotoMaps is available for free for a limited time. It has a 3.5-star rating with a total of 5 ratings.
Voice Brief - text to speech voice assistant for news email and more ($2.99 -> Free, 254.6 MB): This handy app is able to speak your Facebook feed, Twitter feed, Gmail, RSS feed, weather, calendar, and even stock prices, allowing you to multitask while saving you precious time. It includes background support, AirPlay support, a built-in alarm, and works with any remote control.
Voice Brief - text to speech voice assistant for news email and more is available for free for a limited time. It has a 4.5-star rating with a total of 520 ratings.
Altimeter+ ($0.99 -> Free, 13.6 MB): A digital altimeter app that is able to detect your current elevation with an accuracy of ±10m. The app displays your current signal strength as well as your current coordinates in longitude and latitude. Results can be displayed in feet or meters.
Altimeter+ is available for free for a limited time. It has a 4-star rating with a total of 181 ratings.
3-IN-1 Bundle Pack #2! | AmbiScience™ • Binaural & Isochronic Ambient Mind Utility ($1.99 -> Free, 185.6 MB): This bundle includes three of Tesla Audio Sciences' best-selling health and fitness apps: Pure Meditation, Galactic Chill, and Pure Yoga. So whether you're looking to sleep, relax, meditate, or focus your mind, you'll find it all right here. The app includes over 55 ambient, entertainment, and noise tracks to help tune your mind. It also includes instructions, background audio support, the ability to create your own custom programs, repeating alarms, and a countdown timer.
3-IN-1 Bundle Pack #2! | AmbiScience™ • Binaural & Isochronic Ambient Mind Utility is available for free for a limited time. It has a 4.5-star rating with a total of 106 ratings.
Universal:
Rat On A Skateboard ($0.99 -> Free, 7.3 MB): This side-scroller from Donut Games has you guiding Ratty and his skateboard through 50 different courses, or you can try your hand at obtaining the best score in randomly generated courses. Tapping on the screen will make Ratty jump, and tapping while in the air will allow him to perform a trick and score more points. You can also collect cheese and stars to add to your score. The game features a three-star ranking system, power-ups, and achievements and leaderboards via Game Center.
Rat On A Skateboard is available for free for a limited time. It has a 4.5-star rating with a total of 18019 ratings.
iPad:
PipeRoll 2 Ages HD ($1.99 -> Free, 102.6 MB): Rotate and connect pipes in order to form a closed system as quickly as possible in this puzzle game. You're able to pan around the screen by tapping and dragging, or you can view more of the system at once by zooming out. Simply tap on a pipe to rotate it. The game includes five environments, 100 levels, nine liquid types, hints, and leaderboards via Game Center.
PipeRoll 2 Ages HD is available for free for a limited time. It has a 4-star rating with a total of 31 ratings.
Sound Pixels ($1.99 -> Free, 16.6 MB): This music creation app couldn't possibly be any easier to use. Just fire it up and start mashing on the 300 different buttons to create unique sound combinations. The app also includes six different skins, multitouch controls, and additional downloadable sound packs.
Sound Pixels is available for free for a limited time. It has a 3.5-star rating with a total of 24 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. 
It provides all the deals each day, and even an archive of past deals that are still active.
Developers:
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.
- The app must not have been free numerous times (3+) over the last six months.
- The free version of your app must not include ads.
To submit an app, simply send a request to
tyler@appadvice.com with the subject “Apps Gone Free.” Please include the name of the app, a link to it in the App Store, when and for how long you intend to offer the app for free, and anything else you would like to share. We will take it from there.
