Today’s Apps Gone Free: Alayer, Calendarium, LiquidSketch And More

Layer endless amounts of effects on top of your favorite photos with Alayer. We also have a reference app that allows you to discover historical events, and a fluid puzzle game.

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:

FileCentral for iPhone ($2.99 → Free, 7.4 MB): The ultimate document reading, converting, and printing app for your iPhone and iPod touch.

You’re able to transfer files to and from FileCentral via iTunes File Sharing or your favorite cloud service. They’re all here, including Box.net, Dropbox, Google Docs, and iCloud. You’re then able to view all kinds of different files, convert them into PDFs, and even wirelessly print them to any printer via Bluetooth, Wi-Fi, 3G, or 4G. The app also includes passcode protection, multi-user support, and the ability to zip and unzip files. FileCentral for iPhone is available for free for a limited time. It has a 4.5-star rating with a total of 200 ratings.

Alayer ($0.99 → Free, 47.2 MB): Layer loads and loads of effects on top of your favorite photos with this fantastic photography app.

You’re able to import any photo from your library or take a new one from within the app. You’re then able to add layer upon layer of textures, lens flares, effects, light leaks, gradients, and colors. All layers are fully adjustable, allowing you to create that perfect photo. You’re also able to erase parts of layers to focus on specific areas of your photo. The app also includes the ability to create your own textures, blur photos, create favorites, and share your creations via Facebook, Twitter, Instagram, or email. Alayer is available for free today only (05/08). It has a 4.5-star rating with a total of 7 ratings.

Universal:

Calculator³ ($0.99 → Free, 1.7 MB): A beast of a calculator app.

Calculator³ is actually three calculators in one: scientific, graphing, and programmer. You’re able to access the three different calculators by swiping left and right across the screen. The scientific calculator supports decimal and negative non-integer factorials, decimal combinations and permutations, and parenthesis. The graphing calculator supports all of the features in the scientific calculator while providing a workspace for manually inputting and evaluating math equations. It’s also able to plot 2-D graphs using adaptive sampling routine. The programmer calculator supports 64-bit bitwise calculations, Unicode and ASCII characters, and DEC, OCT, and HEX number systems. The app is able to operate in portrait or landscape orientation as well. Calculator³ is available for free today only (05/08). It has a 3-star rating with a total of 7 ratings.

Magic Ink - The Wonderful Wizard of Oz ($0.99 → Free, 61.0 MB): Join Dorothy, Toto, and all of her friends on a journey to Oz in this unique storybook app.

Drag your finger all over each page to unveil new colorful illustrations. Find the hidden Toto on every page to hear him bark out all his favorite songs, and launch secret animations and sounds with a swipe. The app includes two reading options, male and female narrator voices, and the ability to skip to different scenes. Magic Ink - The Wonderful Wizard of Oz is available for free for a limited time. It has a 4-star rating with a total of 54 ratings.

Calendarium ($0.99 → Free, 2.2 MB): Discover historical events and holidays that happened on this day with this reference app.

The top portion of the screen displays today's date, the week of the year, sunrise and sunset times, and the numbers of days passed and left in the year. The lower portion includes all of the historical events and major holidays that occurred on this day. If you tap and hold on an event or holiday, you can share it via Twitter, Facebook, SMS, or email. Calendarium is available for free for a limited time. It has a 4-star rating with a total of 196 ratings.

iPad:

Four: The Space Fight ($0.99 → Free, 42.0 MB): A colorful space shooter than can be played with up to four players on the same iPad.

You’re able to control your spaceship via an on-screen joystick and fire its two weapons via a single button on the right. In career mode, your job is to complete objectives to move on to the next level. In all other modes, your job is to wipe out your opponent. The game includes four spaceships to choose from, and achievements and leaderboards via Game Center. Four: The Space Fight is available for free for a limited time. It has a 5-star rating with a total of 7 ratings.

LiquidSketch ($1.99 → Free, 46.0 MB): Guide realistic liquid from one area to another in this fantastic puzzle game.

You're able to rotate your device to pour the liquid, use your fingers to splash it around, or build structures to funnel it. The game includes six types of challenges, 90 levels, and a sandbox mode where you can get really creative. You can also record your masterpieces and share them via YouTube. LiquidSketch is available for free for a limited time. It has a 4.5-star rating with a total of 380 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.