# kChem - Chemistry Keyboard

> chemical formula and equation

Canonical page: [https://chrome-stats.com/d/id1180018433](https://chrome-stats.com/d/id1180018433)

## Overview

- **ID:** `id1180018433`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 煦 张
- **Category:** Utilities
- **Version:** 1.5
- **Last updated:** 2019-11-26
- **First published:** 2016-12-16
- **Size:** 4.68 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/kchem-chemistry-keyboard/id1180018433)
- **Privacy policy:** [https://www.jianshu.com/p/56caf352e7fe](https://www.jianshu.com/p/56caf352e7fe)

## Description

The kChem is a Keyboard Extension, designed for the user who needs to enter chemical formula in word, PPT, notes and other text apps on iPhone or iPad.

For example :

8NH₃ + 3Cl₂ = 6NH₄Cl + N₂
3CO + Fe₂O₃ = 2Fe+3CO₂

Superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁻
Subscripts: ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₀ ₊ ₋

This keyboard does not require network access.

Tips:

If you could not find kChem when tap globe key : Remove kChem in the system settings, re-add it.

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Easter Egg  

This is not a keyboard , it's a tool which could help you to create a chemical equation image.

## Rankings

- #1,201,220 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1180018433)