Guide realistic liquid from one area to another in Tobias Neukom’s fantastic puzzle game, LiquidSketch. We also have an educational game that allows your child to build letters, and a stylish calculator app for your iPhone and iPad.

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:

Alphabuild ($0.99 → Free, 43.1 MB): This educational game has your child building letters of the alphabet by catching colored shapes. The shapes stream across the top of the screen, and all your child has to do is position the light field over the correct ones to grab them. They can also grab bonus bubbles and power-ups to earn more points. The game includes 10 themes, three difficulty settings, a letter soundboard, and local high scores.

Alphabuild is available for free for a limited time. It has a 5-star rating with a total of 73 ratings.

Feed The Monster game ($0.99 → Free, 21.3 MB): An app that will likely keep your child entertained for hours on end. Not only do they get to create their very own monster by choosing from a variety of body, eye, arm, horn, leg, and mouth pieces, but they also get to take that monster through a series of challenges. Monsters can also be interacted with in a variety of ways.

Feed The Monster game is available for free for a limited time. It has a 4.5-star rating with a total of 18 ratings.

Join the Dots ($4.99 → Free, 20.3 MB): Discover the hidden image by connecting the dots in this educational game. Your child can connect the dots by tapping them in the proper order. In easy mode, the numbers and letters are presented consecutively. In hard mode, some letters and numbers are skipped. The game includes 100 levels, 50 images, and an optional hint system.

Join the Dots is available for free for a limited time. It has a 5-star rating with a total of 16 ratings.

Universal:

ACSM + NASM CPT Practice Test & Questions ($4.99 → Free, 21.5 MB): Study to become a certified personal trainer with this healthcare app. It includes a practice exam that features 200 general CPT questions, 100 ACSM targeted questions, and 100 NASM target questions. You can also customize the exam to focus on specific knowledge areas. Your test progress is saved locally as you go, so you can practice anytime, anywhere. You’re also provided with detailed scoring and results analysis.

ACSM + NASM CPT Practice Test & Questions is available for free for a limited time. It has a 5-star rating with a total of 5 ratings.

CALC- : A Scientific Calculator ($0.99 → Free, 688.7 KB): A stylish calculator app for your iPhone and iPad. It features normal and advanced calculator modes, which can be accessed with right and left swipes. All of your calculations are automatically saved to the history log, allowing you to convert, copy, and share them. The app also includes four color themes.

CALC- : A Scientific Calculator is available for free for a limited time. It has a 4.5-star rating with a total of 23 ratings.

iPad:

Join the Dots HD ($4.99 → Free, 30.9 MB): Discover the hidden image by connecting the dots in this educational game. Your child can connect the dots by tapping them in the proper order. In easy mode, the numbers and letters are presented consecutively. In hard mode, some letters and numbers are skipped. The game includes 100 levels, 50 images, and an optional hint system.

Join the Dots HD is available for free for a limited time. It has a 4.5-star rating with a total of 14 ratings.

LiquidSketch ($0.99 → Free, 43.4 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 5-star rating with a total of 18 ratings.

Feed The Monster ($2.99 → Free, 23.1 MB): An app that will likely keep your child entertained for hours on end. Not only do they get to create their very own monster by choosing from a variety of body, eye, arm, horn, leg, and mouth pieces, but they also get to take that monster through a series of challenges. Monsters can also be interacted with in a variety of ways.

Feed The Monster is available for free for a limited time. It has a 5-star rating with a total of 10 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.
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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.