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Apps That
Went Free on
2019-02-28

Find suitable word replacements, convert units, and learn addition and subtraction with today’s collection of apps and games.

Convertible: Unit Converter
iPhone
iPad
Convertible: Unit Converter

Convertible: Unit Converter

Efecto Pty Ltd

Convert normal and not-so-normal units with Convertible.

Everyone.

FREE ($0.99) For a limited time FREE ($0.99) For a limited time
Why we picked this?

Convertible is able to convert units of measurement, currency, and a whole bunch of non-standard and real-world units. Non-standard and real-world units consist of things like tigers, red blood cells, AAA batteries, and baseball bats. The app’s intuitive interface allows you to just slide the unit categories and measurements left and right to choose them. Conversions can be swapped and shared via Twitter or email. The app also includes 19 themes to choose from.

You need more from your unit converter.

You already have a go-to converter and don’t need to deal with unusual conversions.

Interactive Thesaurus
iPhone
iPad
Interactive Thesaurus

Interactive Thesaurus

Alexey Tataurov

Find suitable word replacements and extend your vocabulary with WordMap.

Everyone from students to professionals.

$2.99 $2.99
Why we picked this?

WordMap is best described as an interactive thesaurus. Input any word and WordMap will not only provide a definition but also map out associated words. Tap on any of the associated words to dig deeper. The intuitive interface displays semantic relations between words and color codes them for different parts of speech. WordMap also includes editable bookmarks, undo and redo, and the ability to save the result map.

You need a way to visualize words.

You have no use for an English thesaurus.

MathEdge Add and Subtract
iPhone
iPad
MathEdge Add and Subtract

MathEdge Add and Subtract

Peekaboo Studios LLC

Learn addition and subtraction with MathEdge.

Parents and teachers.

$7.99 $7.99
Why we picked this?

MathEdge provides a step-by-step guide to learning addition and subtraction. You’re able to create custom questions for your child or simply select one of the built in difficulty levels. The step-by-step guide will walk your child through the problem with audio hints and even carrying the one for them. The app also caters to left and right handed children. A flash card option is available as well to help your child hone their skills.

You want to get your child started on the right foot.

Your child is outside of the recommended age range of eight through 10.