# Newton - the future of the calculator

> Voice-controlled calculator and unit converter with Apple Watch support. (iPhone/iPad app by Vatche Sahakian.)

- Source: https://appshunter.io/ios/app/newton-the-future-of-the-calculator/id957879798 (this page in markdown: same URL + `.md`)
- Developer: [Vatche Sahakian](https://appshunter.io/developer/300725793)
- Category: Productivity, Utilities
- Price: Free
- Rating: 4.58/5 from 73 App Store ratings · 53 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.2 · 20 MB
- Languages: English
- Released: 2015-01-30
- Data updated: 2026-06-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/newton-the-future-of-the-calculator/id957879798/reviews.md

## What is Newton?

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.

## Key features

- Voice input for calculations
- Custom keyboard for input
- Unit conversion
- Support for physical constants
- Apple Watch app
- Complex calculations with parentheses and functions

## Recent user reviews (10 of 53)

All indexed reviews: https://appshunter.io/ios/app/newton-the-future-of-the-calculator/id957879798/reviews.md

### 5/5 — Highly recommended

*2024-01-03, version 2.0*

Easy to use and perfectly accurate.

### 5/5 — Only calculator you can read to

*2023-07-28, version 2.0*

(might be a dupicate rating; can't tell.)
If you ever had a list of numbers you needed to add up, this is the app you want.  You can read the numbers insteadd of looking back and forth between the list and your keyboard.
Ancient app, developer website gone, doesn't work on Macos Ventura, but it works on the iphone and definitly met my needs.  
Why doesn't apple's built in calc take dictation?

### 5/5 — Voice feature is the best

*2023-05-19, version 2.0*

I use this calculator to quickly add numbers using voice entry. This prevents a lot of mistakes. It also records what I’m speaking so I can go back and see what I entered. Great product.

### 2/5 — Used to be great, what happened?

*2023-02-03, version 2.0*

I had lived this app. It no longer can work with decimals. It just errors out when it tries. I don’t know what happened , it didn’t used to do that

### 5/5 — I needed this!

*2022-07-01, version 2.0*

This app has simplified my life, and eliminated 
typo-related miscalculations

### 4/5 — Update Please!

*2022-03-20, version 2.0*

This is the only app that I am aware of that accepts dictated numbers. And it works! I would love to see an update that includes “equals” in the dictated computation to make it even more hands free. Also, an option for a simple calculator with history would be nice for those of us who appreciate the calculator but do not require all its scientific components however wonderful they might be. If the developer does not wish to update, Apple should purchase the programming if they can and offer a decent calculator that does what this one does: voice dictation.

### 5/5 — Hands Free Calculations

*2022-02-27, version 2.0*

This app is an excellent tool for completing voice calculations for long strings of numbers. I use it on a regular bases in my work for hands free, accurate calculations.

### 5/5 — Great for tracking my spending

*2022-02-02, version 2.0*

At the start of each month I review my credit card spending etc etc and categorize the purchases. Apps like quick books don’t do an accurate enough job of categorizing with AI so you end up having to edit it anyways if you want accurate numbers.

I got this app cause I have my statements open on my laptop and then can just read out the numbers in each category and press enter, allowing my eyes to stay on the laptop screen.  

“120+23+21+36+134+55+28+34+21+30+2019+36+91”   Takes me about 5 seconds to get my answer and I can move to the next category. Love it.

### 5/5 — Great App

*2021-07-01, version 2.0*

This app does wonders, especially if you’re doing data entry. The voice recognition is crazy good. I also can speak as fast as I want and it captures everything… which is kind of scary lol.

### 5/5 — Love

*2021-03-22, version 2.0*

I live the voice recognition. I make less mistakes now!!

## Frequently asked questions about Newton

### What does this calculator app do?

This app functions as a powerful calculator and unit converter. It allows users to input calculations and conversions using their voice or a custom keyboard. It supports mixing units, parentheses, and various math functions in a single computation, and also provides access to a catalog of physical constants.

### What are the key features of this app?

Key features include voice input for calculations, a custom keyboard for easy input, comprehensive unit conversion capabilities, access to physical constants, and full integration with Apple Watch. The app also boasts a beautiful, animated interface designed for both casual and scientific use.

### Is this app free to use?

Yes, the application is available for free. There are no in-app purchases or advertisements mentioned, suggesting a completely free experience for users.

### What devices is this app compatible with?

The app is designed for Apple devices, including full support for Apple Watch. It is suitable for use on iPhones and likely iPads, catering to both wrist-based and handheld computational needs.

### Who would benefit from using this calculator app?

This app is beneficial for a wide range of users, from those needing quick calculations in the kitchen to scientists requiring precise computations in the lab. Its versatility, voice input, and Apple Watch integration make it ideal for anyone seeking an efficient and adaptable calculator and converter.

## Version history (last 2 releases)

### 2.0 — 2015-04-10

This app has been updated by Apple to display the Apple Watch app icon.

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

### 1.0 — 2015-01-30

No release notes.

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## More apps by Vatche Sahakian

- [KeyKit Armenian](https://appshunter.io/ios/app/keykit-armenian/id894354274)
- [KeyKit Latin](https://appshunter.io/ios/app/keykit-latin/id914110946)
- [KeyKit Cyrillic](https://appshunter.io/ios/app/keykit-cyrillic/id918754733)
- [Armenian Genocide](https://appshunter.io/ios/app/armenian-genocide/id979103063)

All apps by Vatche Sahakian: https://appshunter.io/developer/300725793

## Related topics

[newton 311](https://appshunter.io/ios/topics/newton-311)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*