Create and share entire to-do lists with friends, family, or coworkers with Evan Marks’ productivity app, Our To Do List. We also have an interactive science book that will teach your child all about the solar system, and an arcade game where you must hold off an alien invasion with your AC-130 gunship.

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:

Task ($0.99 → Free, 4.7 MB): Manage your daily tasks with this intuitive productivity app. You’re able to create a new task just by pulling two fingers apart. You can then choose a due date, whether or not you want a reminder, and set a priority level. Tasks can be marked as complete by swiping left to right and deleted by performing the reverse. You’re able to view your completed task history by swiping from the bottom of the screen to the top. The app also includes four reminder tones, four color themes, and icon badging.

Task is available for free today only (01/18). It has a 4-star rating with a total of 82 ratings.

Our To Do List ($1.99 → Free, 2.3 MB): Create and share to-do lists with friends, family, and coworkers with this productivity app. You’re able to create as many lists and sublists as necessary. Each item in your list can include a due date, reminder, color label, and note. Entire lists can be shared as well, and you can receive notifications when a change has been made. To share lists, you need to sign up for a free account within the app.

Our To Do List is available for free for a limited time. It has a 4-star rating with a total of 33 ratings.

Youda Survivor (Full) ($1.99 → Free, 133.6 MB): This time management game requires you to gather items, build machines, and create powerful potions in order to survive on a mysterious island. It includes 80 levels, 11 exotic animals, five magical powers, all kinds of upgrades and bonuses, and achievements and leaderboards via Game Center.

Youda Survivor (Full) is available for free today only (01/18). It has a 4.5-star rating with a total of 120 ratings.

300 Sleep Relax Sounds : Melodies : Brainwaves ($1.99 → Free, 488.3 MB): Go on a sonic journey with this music app. It’s able to attune your brain to desired states of mind by playing binaural and isochronic tones. The app includes more than 50 ambient music loops, 40 nature and sound loops, more than 200 interval sound hits, 19 entrainment programs, the ability to create your own custom programs, a timer with fade, repeating alarms with snooze, and a full tutorial.

300 Sleep Relax Sounds : Melodies : Brainwaves is available for free for a limited time. It has a 4.5-star rating with a total of 49 ratings.

Universal:

Starbase Gunship ($0.99 → Free, 43.0 MB): Take control of the AC-130, a futuristic gunship, and blast the alien invaders to bits in this arcade game. Your enemies approach from all angles, and their distance from your ship is displayed directly above them. Try to stay patient and wait until they are within range before firing upon them. You can double-tap to zoom in and get a better shot. The game includes the ability to upgrade your ship’s weapons and defenses, iCloud support, and achievements and leaderboards via Game Center.

Starbase Gunship is available for free today only (01/18). It has a 4.5-star rating with a total of 23 ratings.

Quiet, Please! ($0.99 → Free, 43.0 MB): Try to find some peace and quiet in this unique adventure game. Take control of a girl who had an annoying day at school and just wants some quiet time. The only problem is, everyone seems to be out to annoy her, even her pet kittens! Travel around the environment collecting items and solving puzzles to help her out.

Quiet, Please! is available for free for a limited time. It has a 4.5-star rating with a total of 13 ratings.

Math Plus Minus – Addition and Subtraction ($2.99 → Free, 26.4 MB): An educational game that will help your young child practice basic addition and subtraction. Your child is presented with a math problem, and they must tap on the correct answer to move on to the next. You’re able to customize the amount of problems to solve and the largest number to subtract or add in order to best suit their ability. The game also includes a timed mode, a calculator mode, and leaderboards via Game Center.

Math Plus Minus – Addition and Subtraction is available for free for a limited time. It has a 4-star rating with a total of 6 ratings.

Tap Times Tables – Multiplication Fun with Math Numbers and Arithmetic ($2.99 → Free, 31.1 MB): An educational game that will help your young child work on their multiplication skills. Your child is presented with a math problem, and they must tap on the correct answer to move on to the next. The game includes a mastery mode that allows your child to focus on mastering specific times tables, a calculator mode, support for multiple users, and achievements and leaderboards via Game Center.

Tap Times Tables – Multiplication Fun with Math Numbers and Arithmetic is available for free for a limited time. It has a 4.5-star rating with a total of 24 ratings.

iPad:

Hands-On Equations 1 – The Fun Way to Learn Algebra ($4.99 → Free, 124.2 MB): This educational app provides your child with a fun way to learn algebra. It includes six lessons, which feature videos that will walk your child through how to solve the problems. They will then be given the opportunity to practice what they’ve learned before being challenged with exercises. The app includes more than 80 types of equations, and support for multiple users.

Hands-On Equations 1 – The Fun Way to Learn Algebra is available for free for a limited time. It has a 4.5-star rating with a total of 49 ratings.

Youda Survivor HD (Full) ($2.99 → Free, 131.6 MB): This time management game requires you to gather items, build machines, and create powerful potions in order to survive on a mysterious island. It includes 80 levels, 11 exotic animals, five magical powers, all kinds of upgrades and bonuses, and achievements and leaderboards via Game Center.

Youda Survivor HD (Full) is available for free today only (01/18). It has a 4.5-star rating with a total of 243 ratings.

Paul & Percy ($2.99 → Free, 23.7 MB): This supremely challenging puzzle game has you trying to help Paul and Percy escape from a strange world. You’re able to control Paul and Percy separately by tapping on the screen to switch between the two. Swipe gestures allow you to move the characters and stomp on blocks to manipulate the environment. The goal is to get both Paul and Percy to their respective exits. The game includes a rewind option in case you get stuck, 50 levels, and achievements to obtain.

Paul & Percy is available for free for a limited time. It has a 4.5-star rating with a total of 8 ratings.

Interactive Minds: Solar System ($2.99 → Free, 18.5 MB): An interactive science book that will teach your child all about the solar system. It includes more than 40 pages of fact-filled content featuring interactive slides and videos. Your child can work their way through the book page by page, or they can jump to a specific page. The app also includes the ability to search for specific words within the book.

Interactive Minds: Solar System is available for free for a limited time. It has a 5-star rating with a total of 5 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.