# Numboard – Scientific Keyboard

> Math Keyboard with Calculator

Canonical page: [https://chrome-stats.com/d/id1175536307](https://chrome-stats.com/d/id1175536307)

## Overview

- **ID:** `id1175536307`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Zetegy LLC
- **Category:** Utilities
- **Rating:** 2.10 / 5 (23 ratings)
- **Version:** 1.5
- **Last updated:** 2019-11-24
- **First published:** 2016-11-14
- **Size:** 16 MB
- **Data as of:** 2026-09-18
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/numboard-scientific-keyboard/id1175536307)
- **Website:** [https://zetstudios.com](https://zetstudios.com/)
- **Privacy policy:** [https://zetstudios.com](https://zetstudios.com/)

## Description

Numboard is the all-in-one keyboard for math and science. More than 110 math symbols, plus advanced autocomplete for math expressions. Your expressions will be evaluated as you type!

You can use Numboard in ANY app, just like your default keyboard. 

Numboard features:
+ More than 110 specific symbols, including subscripts, superscripts, and more.
+ Your expressions will be evaluated in real-time when possible! This includes expressions with powers, variables, roots, and more.
+ Perfect for students: use your iOS device to do your homework! Everything you need is now in one single keyboard.
+ Quick typing process with intuitive behavior and great design.
+ Use Numboard in any app, just like your default keyboard. It can be installed as a keyboard extension.

Numboard was created in 2015 by a student. Today, our customers include students, teachers, and even schools from all around the world. We listen to our users' feedback and constantly improve the app.

## Rankings

- #325,292 — Overall

## Review summary

Users praise Numboard for its math symbol library and potential, but major drawbacks are heavy paywall gating, perceived poor value for money, missing advanced notation, limited customization, and occasional reliability issues. Improvements in pricing, feature parity, and bug fixes would broaden its appeal.

### Pros

- Wide set of math symbols and notation accessible from the keyboard
- Pro version unlocks extra features and is valued by users who upgrade
- Helpful for math education and algebra communication

### Cons

- Pro paywall: most symbols and features require the Pro version; free version is very limited
- Concerns about value for money and price being high for what is offered
- Missing advanced notation (superscripts/subscripts for letters, horizontal fraction bars)
- Limited keyboard customization and some styling issues
- Bugs and reliability concerns (decimal precision errors and cross-app issues requiring reboot)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1175536307)