Learn all about real-world robots with IEEE's reference app, Robots for iPad. We also have a camera app that's able to capture both sides of the story, and an educational app that will teach you roots and prefixes.
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.
Diary (Diary, Journal, Calendar, Cloud) ($0.99 → Free, 4.5 MB): Capture life's best moments with this journaling app. You're able to customize the app's main screen with an image from your own library, and skin the app with one of three colors. When adding an entry, you're able to change the text font, size, and color along with the background color. Entries can also be categorized to keep things tidy, and you can view them all in list or calendar form. The app also includes passcode protection, iCloud support, and AirPrint support.
Diary (Diary, Journal, Calendar, Cloud) is available for free for a limited time. It has a 3.5-star rating with a total of 38 ratings.
Dblcam ($0.99 → Free, 3.0 MB): Sometimes the expression on your face can be just as interesting as the shot you're about to take with your camera, so why not capture both? Dblcam allows you to snap a photo with the back-facing camera, and then flips over to the front-facing camera to automatically take another. You can also swap the order if you wish. It then places the two separate photos side-by-side in a single image. You can share your newly created amalgamation via Twitter, Facebook, Instagram, or email.
Dblcam is available for free for a limited time. It has a 4.5-star rating with a total of 52 ratings.
Juggle: Pocket Machine ($0.99 → Free, 10.4 MB): This juggling machine fits right into your pocket, allowing you to work on your hand-eye coordination wherever you go. The game features three modes, all of which require you to keep the colored disks in the air by bouncing them off your laser bumper. Disks are constantly being added to the mix, so try to keep as many on the screen as possible to earn bonus points. The game also includes a fantastic retro-inspired look, and leaderboards via Game Center.
Juggle: Pocket Machine is available for free for a limited time. It has a 4.5-star rating with a total of 16 ratings.
DeliTape - Deluxe Cassette Player with Internet radio ($0.99 → Free, 14.0 MB): Go old school with this stylish music player. The app's interface mimics classic cassette tapes, complete with handwritten artist, album, and track names. You're able to choose from eight unique designs just by swiping across the screen. Tap and hold on the cassette tape wheels to fast-forward and rewind your music, or just tap to change the tracks. The app also now includes more than 1,000 built-in internet radio stations.
DeliTape - Deluxe Cassette Player with Internet radio is available for free for a limited time. It has a 4.5-star rating with a total of 66 ratings.
Zitrr Camera ($1.99 → Free, 14.6 MB): An all-in-one camera app for the photographer in the family. It offers a variety of shooting features, like burst, big button, and anti-shake, to help you capture that perfect photo or video. You can then apply different filters, effects, and lenses to perfect your photo's look. You're able to share your unique creations via Facebook, Twitter, Tumblr, Flickr, YouTube, or Google+, or you can save them to Dropbox. The app includes a total of eight shooting modes, and 37 effects and filters.
Zitrr Camera is available for free today only (04/07). It has a 4-star rating with a total of 19 ratings.
StarTapper ($0.99 → Free, 18.0 MB): Bigger is always better in this fast-paced arcade game. Tap on stars to connect them and create shapes. Completed shapes can be submitted for points by swiping down, or swipe up to use them to add time to your clock. Try to keep a balance between the two to unlock all seven stages and earn all of the achievements.
StarTapper is available for free for a limited time. It has a 5-star rating with a total of 8 ratings.
Roots to Words ($0.99 → Free, 10.2 MB): This fantastic learning tool teaches you roots and prefixes in an entertaining and engaging way. You must first select one of the 15 word categories. You'll then be presented with a root meaning followed by words that utilize the root. Try to guess the root by typing in the correct letters. You may receive hints if you get stuck. The app also includes progress tracking.
Roots to Words is available for free for a limited time. It has a 4.5-star rating with a total of 7 ratings.
ChronoGrafik-Alarm Clock + Shake to Snooze ($1.99 → Free, 43.5 MB): Wake up in style with this snazzy alarm clock app. You're able to choose from 10 different clock faces, each with their own set of features and colors to choose from. The app also includes a 24-hour clock, weather data, recurring alarms, countdown timer, shake to snooze, portrait and landscape orientation support, and the ability to swipe to dim the screen.
ChronoGrafik-Alarm Clock + Shake to Snooze is available for free for a limited time. It has a 4.5-star rating with a total of 763 ratings.
runtastic SitUps PRO ($1.99 → Free, 26.6 MB): Turn your iDevice into your personal sit-up trainer with this fitness app. It's able to take you from zero to 100 sit-ups by putting through three training plans. The app is able to count your sit-ups automatically and notify you when to take breaks. It also records all of your personal stats and records, including calories burned. You're able to share your workouts and records via Facebook, Twitter, or email.
runtastic SitUps PRO is available for free for a limited time. It has a 4.5-star rating with a total of 1399 ratings.
Robots for iPad ($0.99 → Free, 409.9 MB): If you love robots -- and honestly, who doesn't? -- you absolutely must download Robots for iPad. This complete guide to the world of robotics features more than 100 real-world robots to explore. Each entry includes a brief overview, specs, what the robot is used for, fun facts, and photos and videos. The app also includes a game where two robots face off, and you must choose which one would be best suited for the provided task. You can then see how your views align with the rest of the world.
Robots for iPad is available for free for a limited time. It has a 5-star rating with a total of 119 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.
