A unique and powerful calculator and convertor that adapts to your needs; and with full Apple Watch support.

Use your voice or the custom keyboard to input calculations and unit conversions easily and quickly. Mix units, parentheses, math functions in a single computation. Tap into a catalogue of physical constants quickly. For both casual and scientific use, from the kitchen to the lab.

Use the bundled Apple Watch app to run a full calculator and convertor on your wrist. Designed for easy and quick use.

A beautiful interface alive with animations, a versatile app for every day use.

What's New

Version 2.0

- Apple Watch support! A full calculator and convertor on your wrist.
- Changed the way the convert button works to a more natural behavior.

Ratings and Reviews

4.7 out of 5

19 Ratings

19 Ratings

Powerful, with a nice tutorial (but tweaks would be nice)


Does so many things, and voice recognition is a great feature. Even in just doing the tutorial, however, I have a wishlist of features. I wish that you could tap-scroll to correct what you have entered in keyboard entry mode. I got so frustrated while doing the last tutorial entry; I must have entered it 5 times before I could get it just right. In combo with this feature, it would be nice if you could click an entry in your history, have it become active again, and then tap-scroll through the entry to modify it. It would also be nice if I could switch between voice entry and keyboard entry without losing what has been entered. It is frustrating to dictate a large string, only to have a recognition error at the end, with my only editing option being to cancel the whole string. Lastly, there is a point in the tutorial where "calculation" is misspelled.

Love this!


I love the voice activated function of this calculator. There are so many other functions on this calculator that go way beyond my needs however I use this for everything including doing my taxes.


App Shmap

I agree with a previous review that they need to make a voice command for "equals", but otherwise a fantastic app that I will use regularly. Once they get the "equals" voice command it will be perfect and I'll give it 5 stars.


Vatche Sahakian
19.8 MB
Requires iOS 8.2 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2014-15


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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