Listen to radio stations and talk shows from all over the world with OneTuner Pro. We also have a Star Wars-themed pinball table, and a stunning interactive storybook.

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:

Power Sleep & Nap | AmbiScience™ • Binaural & Isochronic Ambient Sleep Utility ($1.99 → Free, 134.6 MB): Go on a sonic journey with this music app. It’s able to attune your brain to desired states of mind by playing binaural and isochronic tones. The app includes 11 ambient tracks, eight entrainment tracks, one noise track, the ability to create your own custom programs, a timer with fade, repeating alarms with snooze, and a full tutorial.

Power Sleep & Nap | AmbiScience™ • Binaural & Isochronic Ambient Sleep Utility is available for free for a limited time. It has a 4-star rating with a total of 115 ratings.

Prune – Habit breaker, quit more ($1.99 → Free, 7.1 MB): This productivity app can help you break your bad habits. You’ll need to first pick a habit you want to prune out of your life. If you can’t come up with one, there is an option to receive suggestions. Then set how long you want to try to live without your habit. The app will begin to track your progress first by minute, then by the hour, and eventually by the day. You’re also able to share your progress via Facebook, Twitter, or email.

Prune – Habit breaker, quit more is available for free today only (09/02). It has a 5-star rating with a total of 5 ratings.

Universal:

Toy Defense: Relaxed Mode ($1.99 → Free, 373.3 MB): Lead your toy army to victory in this fixed-path tower defense game. Deploy toy soldiers and other powerful weapons to defend your base from the approaching enemies. You’re able to repair your units using the coins you earn during battle. You can also upgrade units after each battle. The game includes an intense World War I atmosphere, 72 levels, four weapons with 24 upgrades, nine enemy types, and achievements and leaderboards via Game Center.

Toy Defense: Relaxed Mode is available for free for a limited time. It has a 4.5-star rating with a total of 229 ratings.

iCrosss ($0.99 → Free, 3.6 MB): An interactive encyclopedia of polyhedra. It includes regular polyhedra, pyramids, prisms, anti-prisms, and archimedean solids and duals. You’re able to freely rotate polyhedra by sliding your finger across the screen. Tap the polyhedra to set three points and build cross sections. You can also cycle through views by tapping the icon at the bottom of the screen and enable or disable the chalk style drawings. The app also includes detailed information for each polyhedra, formulas, and the ability to favorite polyhedra for quick access later on.

iCrosss is available for free today only (09/02). It has a 4.5-star rating with a total of 54 ratings.

OneTuner Pro Radio Player for iPhone, iPad, iPod Touch – tunein to 65 genre stream! ($1.99 → Free, 25.3 MB): Tune into radio stations and talk shows from more than 183 countries with this streaming music app. You’re able to browse for stations by genre, country, and language, or you can search for something specific. Stations can be added to favorites for quick access later on, and you can share what you’re listening to via Twitter and Facebook. You can also populate the app with the latest news from your Twitter and Facebook feeds.

OneTuner Pro Radio Player for iPhone, iPad, iPod Touch – tunein to 65 genre stream! is available for free for a limited time. It has a 4.5-star rating with a total of 338 ratings.

Ride ‘Em Rigby – Regular Show ($0.99 → Free, 19.3 MB): Hang on for dear life in this endless distance game. Help Rigby pass his mentorship program by hanging on to Muscle Man as he rampages through the park. Tap the right side of the screen to jump over obstacles and tap the left to slide under them. Avoid ramming into obstacles to keep your energy levels up. The game includes two modes, 20 levels, loads of crazy power-ups, and achievements and leaderboards via Game Center.

Ride ‘Em Rigby – Regular Show is available for free for a limited time. It has a 4.5-star rating with a total of 677 ratings.

Star Wars Pinball ($1.99 → Free, 38.2 MB): Choose your side and fight to restore balance to the Force in this Star Wars-themed pinball game. You’re able to join the Galactic Empire or the Rebel Alliance and battle with your friends for leaderboard dominance. Launch your ball onto the table by pulling back on and releasing your finger from the lightsaber. Tap each side of the screen to control your flippers. The table features multiple camera angles to choose from, and quotes and music pulled right from The Empire Strikes Back. Two additional themed tables are available via in-app purchase.

Star Wars Pinball is available for free for a limited time. It has a 3.5-star rating with a total of 92 ratings.

The Brainstormer ($1.99 → Free, 9.6 MB): Get inspired with this productivity app. It allows you to combine a plot, subject, and setting or style to get your creative juices flowing just by spinning three separate wheels. The wheels can be spun manually, randomly, or locked in place. You can also share any of your unique combinations via email, Twitter, or Facebook.

The Brainstormer is available for free for a limited time. It has a 4-star rating with a total of 66 ratings.

Episodes ($0.99 → Free, 9.4 MB): Keep track of your favorite television shows and receive recommendations for new ones with this entertainment app. Its powerful search allows you to quickly discover your favorite shows and add them to your watch list. You can view air dates, episode listings, individual episode summaries, and screen captures for each show. The app also includes the ability to share your watch list via a custom and public URL, and icon badging for upcoming shows.

Episodes is available for free for a limited time. It has a 4-star rating with a total of 345 ratings.

iPad:

Jörgits ($5.99 → Free, 313.0 MB): A beautifully illustrated and absolutely delightful interactive storybook app. It tells the tale of a group of aliens whose planet is becoming too cold for them to survive, so they must set out to find a new one. Thankfully they discover a nearby planet that is rapidly heating up, which turns out to be ours! The app is loaded with interactive maps to explore, diagrams to read, colorful characters and animations, and all kinds of bonus content to discover.

Jörgits is available for free today only (09/02). It has a 5-star rating with a total of 61 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.