Today’s Apps Gone Free: Zero+, Calc Swift and Who Was? Adventure

Zero out numbered tiles, crunch numbers, and find out how well you know your historical figures 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.

Universal:

Zero+ ($0.99 → Free, 2.4 MB): Swipe to slide numbered tiles in order to make them all zeroes in Zero. Fans of logic-based puzzle games.

The basic gameplay mechanics in Zero are simple enough. You must slide positive and negative numbered tiles around the board in order to achieve zero. The first few levels consist of just ones and twos, but things get crazy pretty quickly when large numbers and new kinds of modifier tiles enter the mix. Also, keep in mind that tiles won’t stop sliding unless they run into something. The game includes a total of 120 levels.

Zero+ is available for free for a limited time. It has a 5-star rating with a total of 114 ratings.

CALC Swift ($1.99 → Free, 14.1 MB): Crunch numbers faster than ever before with CALC Swift. Students, teachers, and anyone else in need of a powerful calculator.

CALC Swift is a multi-functional scientific calculator that’ll make your daily calculations a breeze. It features both standard basic and scientific calculation functions, which can be accessed with a horizontal swipe. It includes more than 50 advanced functions in all. A history log allows you to pull up numbers at any time and copy them for use in other apps. CALC Swift also includes a widget, Spotlight search, Apple Watch support, and colorful themes to choose from.

CALC Swift is available for free for a limited time. It has a 4.5-star rating with a total of 55 ratings.

Who Was? Adventure ($0.99 → Free, 143.6 MB): Find out how well you know your historical figures and pop icons with Who Was? Adventure. Trivia fans everywhere.

Who Was? Adventure has a rather unique mechanic for a trivia game. The heads of famous figures will drop down into the screen. It’s up to you to tap on the person described at the bottom as quickly as possible. Each correct selection will remove the head from the screen, freeing up valuable space. If you guess incorrectly, the head you tapped on will remain and more and more will fill the screen. Power-ups and other objects will also populate the screen. The game includes 85 levels, an arcade mode, and more than 4,500 questions.

Who Was? Adventure is available for free for a limited time. It has a 4-star rating with a total of 54 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.

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