Hitch a ride and destroy enemies, find the best colors for a room, and unleash your creative side with today’s collection of apps and games.

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:

Retro Pixel ($0.99 → Free, 62.2 MB): Guide a single pixel home in Retro Pixel. Fans of platform games.

Are you ready to take on the Retro Pixel challenge? The game includes 80 handcrafted levels that simply require you to reach the gate, wherever it may be hiding. You’re able to control the single pixel by placing your fingers on either half of the screen. The emulated CRT effects and 8-bit soundtrack further the retro feel of the game.

Retro Pixel is available for free for a limited time. It has a 4-star rating with a total of 18 ratings.

Universal:

Sketch Tree Pro – My Art Pad ($8.99 → Free, 41.8 MB): Unleash your creative side with Sketch Tree. Artists of all levels.

Sketch Tree is a powerful art creation tool that’s there for you whenever the moment strikes. More than 80 brushes, pens, air brushes, and water colors are available at your disposal. The canvas features 64 levels of zoom, allowing you to get down to pixel-level accuracy. An advanced layer system allows you to add background images, hide or duplicate layers, adjust opacity, and more. Other handy tools include a built-in ruler, unlimited undo and redo, and smudge and smear.

Sketch Tree Pro – My Art Pad is available for free today only (04/13). It has a 4.5-star rating with a total of 54 ratings.

Grapple Gum ($1.99 → Free, 137.4 MB): Hitch rides on moving objects and destroy targets in Grapple Gum. Gamers of all ages.

Grapple Gum employs a variety of popular gameplay mechanics resulting in frenetic fun. You play as little pink piece of gum and you must grapple floating objects to move across the screen. Once you’ve hitched a ride you can slingshot yourself to other objects. Complete objectives and tap to blast the critters nibbling at your goods. The game includes 10 levels with 10 bosses, six weapons, and online leaderboards.

Grapple Gum is available for free for a limited time. It has a 3.5-star rating with a total of 6 ratings.

RAL color swatch + NCS palette ($2.99 → Free, 32.6 MB): Find the best colors for your room with RAL. Designers, architects, and just those with creative tastes.

RAL is the industry standard in terms of international color matching. It allows you to browse RAL Classic and RAL Effect color palettes, or you can search for something specific. Each color includes RGB, HEX, and CMYK data that can be favorited and shared. You’re also able to view an indoor scene with a color splashed on a wall.

RAL color swatch + NCS palette is available for free for a limited time. It has a 4.5-star rating with a total of 56 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.