Rotate collections of stars to discover the images hidden within in Ziiso Digital’s cosmic puzzle game, Starry Sky. We also have a gesture-driven task and list manager, and an arcade game that has you trying to help a little teddy bear escape a toy factory.

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:

HDR FX Pro ($1.99 → Free, 19.7 MB): Add some life to your outdoor photos with this photography app. It’s able to apply HDR effects to any photo in your personal library, any photo from Facebook, or a new photo snapped using the in-app camera. The 42 HDR presets are broken down into three categories: scenery, sky, and ground. You’re able to view a preview of each one and see which come highly recommended. After settling on an effect, you can further customize your photo with textures, borders, and the app’s other powerful editing tools.

HDR FX Pro is available for free today only (01/14). It has a 4.5-star rating with a total of 1082 ratings.

Starry Sky. ($0.99 → Free, 80.6 MB): Rotate stars to discover the images hidden within in this cosmic puzzle game. Spin collections of stars by sliding your fingers over the screen until an image appears. The faster you’re able to discover the image, the higher your score. The game includes more than 300 levels, Wikipedia links for all of the images, a star clock, and achievements via Game Center.

Starry Sky. is available for free for a limited time. It has a 4.5-star rating with a total of 159 ratings.

Universal:

days ($0.99 → Free, 1.4 MB): Store all of your important events and be notified when a significant one is right around the corner with this productivity app. When adding an event you’re able to categorize it, define a start time and the next occurrence, decide when you want to be notified, and add notes. The app also includes three grouping tabs, passcode protection, filtering, the ability to backup your data, and a built-in date calculator.

days is available for free for a limited time. It has a 3.5-star rating with a total of 108 ratings.

Running Dead ($0.89 → Free, 45.9 MB): Try to outrun the zombie horde in this distance game. Tilt your iDevice to steer your character around debris and zombies, and tap on the screen to blast any zombies standing in your way. You can also earn coins for killing zombies and achieving great distances, which can be used to upgrade your weapons. The game includes six control layouts, eight weapons to choose from, and achievements and leaderboards via Game Center.

Running Dead is available for free for a limited time. It has a 4.5-star rating with a total of 2980 ratings.

TinyList ($0.99 → Free, 4.2 MB): A gesture-driven task and list manager. You’re able to create new entries by swiping from the top of the screen towards the bottom. You can also pull your fingers apart to place a new entry in between two other entries. Other gestures include the ability to slide your finger from right to left to delete, from left to right to edit, and from left to right and then down to duplicate.

TinyList is available for free for a limited time. It has a 4-star rating with a total of 17 ratings.

Night Flight ($0.99 → Free, 77.4 MB): Help a little teddy bear pilot his way out of a dark and creepy toy factory in this arcade game. You’re able to control your little teddy’s plane by tapping either side of the screen to rotate it. Grab stars to refuel your engines, and dodge enemy fire to escape each room in one piece. The game includes four environments, 24 levels, and leaderboards via Game Center.

Night Flight is available for free for a limited time. It has a 5-star rating with a total of 22 ratings.

iPad:

Starry Sky HD ($1.99 → Free, 78.4 MB): Rotate stars to discover the images hidden within in this cosmic puzzle game. Spin collections of stars by sliding your fingers over the screen until an image appears. The faster you’re able to discover the image, the higher your score. The game includes more than 300 levels, Wikipedia links for all of the images, a star clock, and achievements via Game Center.

Starry Sky HD is available for free for a limited time. It has a 4.5-star rating with a total of 137 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.