Quantify your level of stress at home or while on the go with Azumio's health app, Stress Check Pro. We also have an arcade game where you get to control the speed of carts on rollercoaster tracks, and an educational app that will help you improve your vocabulary and spelling skills.
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.
New York 3D Rollercoaster Rush ($2.99 → Free, 10.1 MB): Get a rush of adrenaline by controlling carts on high-speed rollercoaster tracks in this arcade game. You're put in complete control of the speed of each cart, allowing you to catch huge air and blow by breakable sections in the tracks. Try not to get too carried away, however, otherwise you'll wind up losing carts. The game includes 40 tracks, which feature crazy loop-the-loops, tunnels, and sky-scraping peaks. It also includes two modes, online multiplayer, and two control methods.
New York 3D Rollercoaster Rush is available for free for a limited time. It has a 4-star rating with a total of 1182 ratings.
Crazy Penguin Catapult ($0.99 → Free, 6.6 MB): Fight off the invading polar bears by launching penguins through the air in this arcade game. You're first required to time your catapult's swing to get as many penguins as possible into the air, and then tap the screen at just the right moment to have them dive at the polar bears below. The game includes over 200 penguins to launch, three maps, nine unlockable power-ups, and a three-star rating system.
Crazy Penguin Catapult is available for free for a limited time. It has a 4-star rating with a total of 6117 ratings.
Color Rush Ninja ($0.99 → Free, 13.1 MB): A colorful and fast-paced endless running game that will test your reflexes. Tap on the screen to cause your ninja to jump over the crazy color monsters and achieve the greatest possible distance. The farther you go, the more coins you'll earn, which can be used to upgrade your ninja with all kinds of new powers.
Color Rush Ninja is available for free for a limited time. It has a 5-star rating with a total of 6 ratings.
Act of Fury: Kraine’s Revenge ($2.99 → Free, 51.0 MB): A shoot 'em up game where there is no need to actually shoot because you are the weapon. You get to play as Kraine Severe and you must seek revenge on the evil Dr. Osvald Pernicious by unleashing the hurricane-like super powers he gave you. Simply drag your finger across the screen to move Kraine to suck up and flatten everything in your path. The game includes four environments, nine levels, two difficulty levels, loads of power-ups, and achievements and leaderboards via Game Center.
Act of Fury: Kraine’s Revenge is available for free for a limited time. It has a 3.5-star rating with a total of 11 ratings.
Stress Check Pro by Azumio ($0.99 → Free, 3.0 MB): Quantify your level of psychological or physical stress anytime, anywhere with this health app. To receive an estimate on your level of stress, simply place your finger over your iDevice's camera. The app will then analyze the data and provide you with results based on your gender and age. It also includes the ability to view results in graph form, the ability to share your results, and interesting stress facts.
Stress Check Pro by Azumio is available for free for a limited time. It has a 3-star rating with a total of 43 ratings.
Tubeacco for YouTube - A Video Search Client ($0.99 → Free, 3.4 MB): Get the most out of YouTube with this video app. It allows you to search for videos, playlists, and channels via an intuitive interface, and then sort your results by relevance, date, views, or ratings. It also includes a featured section that allows you to stay on top of what's hot on YouTube. Videos can be liked and disliked, added to favorites, pinned, commented on, and shared via Facebook, Twitter, or email.
Tubeacco for YouTube - A Video Search Client is available for free for a limited time. It has a 4.5-star rating with a total of 3 ratings.
Spell + Friends by Tap To Learn ($0.99 → Free, 153.9 MB): Practice for a spelling bee or simply improve your vocabulary and spelling skills with this educational app. It includes over 2,000 words from three separate categories, with each flashcard featuring the definition, usage, and pronunciation. You can test your knowledge by taking quizzes all by yourself or go head-to-head against a friend locally or online via Game Center.
Spell + Friends by Tap To Learn is available for free for a limited time. It has a 5-star rating with a total of 191 ratings.
100 Rogues ($2.99 → Free, 46.5 MB): This retro-inspired role-playing game has you crawling through dungeons in search of loot. Pick from three player classes and take out all kinds of different creatures to level up your skills. The game includes 60 monsters, randomly generated maps, all kinds of loot to discover, and achievements and leaderboards via Game Center.
100 Rogues is available for free for a limited time. It has a 4-star rating with a total of 2486 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.
