Speed through gorgeous environments on supercharged jet skis in Vector Unit's racing game, Riptide GP. We also have a physics-based puzzle game that requires you to save an orange population, and a podcast app that allows you to listen to Hourly News.
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.
Virus Laboratory ($0.99 → Free, 5.4 MB): Stop the viruses from taking over by removing groups of them as quickly as possible in this arcade game. Tap on groups of three or more connected viruses to remove them from the board. If you remove groups of viruses fast enough, you'll be rewarded with bonus points. You can also deploy your medicine power-ups when you run into trouble. The game includes three modes, and achievements and leaderboards via Game Center.
Virus Laboratory is available for free for a limited time. It has a 3.5-star rating with a total of 569 ratings.
Space is Key ($0.99 → Free, 14.4 MB): Space is Key in this challenging arcade game. Tap on the screen at just the right moment to cause your square to jump over the many obstacles. As you progress through the game the pace picks up and so does the snark from the computer that's narrating every step of your journey. The game includes 43 levels, and achievements and leaderboards via Game Center.
Space is Key is available for free for a limited time. It has a 4-star rating with a total of 78 ratings.
tipSkip ($0.99 → Free, 1.6 MB): With tipSkip, you'll never again have to fumble around with your iDevice to control or change your music. Just tap on it while it's in your pocket! The app allows you to control your music playback by physically tapping on your iDevice two, three, or four times. Each tap can be customized with a different action, and you can change the sensitivity to ensure each tap registers.
tipSkip is available for free for a limited time. It has a 4.5-star rating with a total of 25 ratings.
Fruity Jelly ($1.99 → Free, 59.9 MB): A physics-based puzzle game that requires you to rotate Jelly's world to help him collect fruit and save his friends. Fruit is spread out all over each level in hard to reach places. You must tilt to move Jelly and tap on buttons to rotate his world to reach it. The game includes 40 levels, bonus stars to recover, and achievements via OpenFeint.
Fruity Jelly is available for free for a limited time. It has a 3.5-star rating with a total of 44 ratings.
Riptide GP ($0.99 → Free, 41.4 MB): Take your supercharged jet ski on a wild ride through a variety of environments in this gorgeous racing game. Tilt to carve your jet ski through the water, and fire your boosters to race into first place. You're able to fill your boost meter by performing crazy tricks off of jumps. The game includes three modes, 12 courses, six jet skis, and achievements and leaderboards via Game Center.
Riptide GP is available for free for a limited time. It has a 4-star rating with a total of 27 ratings.
Hourly News ($0.99 → Free, 5.7 MB): A podcast app that allows you to listen to Hourly News from a handful of sources. The app allows you to listen to news updates from NPR, BBC, CBC, ABC, CBS, WSJ, ESPN, VOA, SRN and FOX News. It automatically starts to play news updates the moment it's launched. You can also reorder and edit the sources in order to hear only the news you want.
Hourly News is available for free for a limited time. It has a 5-star rating with a total of 1015 ratings.
Word Triangle ($1.99 → Free, 4.0 MB): Put your knowledge of the world to the test with this word game. Complete the Word Triangle by utilizing clues to fill in the missing letters. You'll want to start from the top and work your way down since each row of words includes letters from the previous row. The game includes 250 puzzles, and two themes.
Word Triangle is available for free for a limited time. It has a 3.5-star rating with a total of 33 ratings.
Cover Orange HD ($1.99 → Free, 77.3 MB): A cloud carrying poison rain is moving towards the exposed orange population. It's up to you to cover all of them before it’s too late in this physics-based puzzle game. To save the oranges, just drop objects from the top of the screen into the playing field below. The game includes 360 levels, realistic physics, and achievements and leaderboards via Game Center.
Cover Orange HD is available for free for a limited time. It has a 5-star rating with a total of 6202 ratings.
Cocoons and Caterpillars: A Stella and Sam Adventure ($2.99 → Free, 79.9 MB): Your child can play alongside Stella, Sam, and their dog Fred as they discover the joy of nature's shifting shapes and hidden identities. The app includes colorful fullscreen animations, and three engaging activities that allow your child to color the wings of a butterfly, sing along with songbirds, and trace out pictures in the clouds.
Cocoons and Caterpillars: A Stella and Sam Adventure is available for free for a limited time. It has a 4.5-star rating with a total of 4 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.
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