# ChemKey - Chemical Keyboard — Fast chemical formula input

> A specialized keyboard for fast and easy input of chemical symbols and formulas. (iPhone/iPad app by 俊锋 仝.)

- Source: https://appshunter.io/ios/app/chemkey-chemical-keyboard/id6760772362 (this page in markdown: same URL + `.md`)
- Developer: [俊锋 仝](https://appshunter.io/developer/1209824000)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16 · 18 MB
- Languages: German (Germany), Japanese, French (France), Chinese (Simplified, China), Chinese (Traditional, Taiwan), American English
- Released: 2026-03-24
- Data updated: 2026-08-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/chemkey-chemical-keyboard/id6760772362/reviews.md

## What is ChemKey?

Stop searching for chemical symbols. Start typing them instantly.

ChemKey is a dedicated keyboard designed for chemistry students, teachers, and professionals.
Easily input chemical symbols, formulas, and expressions — all in one place.

Features:

Built for Chemistry

Quick access to common chemical symbols

No more switching keyboards or copying characters

Optimized layout for chemical expressions

Faster Input:

Type formulas and elements efficiently

Reduce friction when writing chemistry content

Perfect for notes, homework, and research

Smart Completion (VIP)

Intelligent suggestions while typing

Auto-complete common chemical patterns

Save time and improve accuracy

Premium:

7-day free trial

No auto-renewal after trial ends

One-time purchase, lifetime access

No subscriptions

Who is it for?

Students learning chemistry

Teachers and educators

Researchers and professionals

Anyone who needs to type chemical formulas quickly

Why ChemKey?

We believe typing chemistry should be as simple as writing it.
ChemKey removes friction so you can focus on ideas, not input.

Support:

Have feedback or feature requests?
We’d love to hear from you.

## Key features

- Dedicated chemical keyboard
- Quick access to chemical symbols
- Optimized layout for expressions
- Faster formula input
- Smart completion (VIP feature)
- One-time purchase for lifetime access

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| ChemKey Pro (Lifetime) | $2.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/chemkey-chemical-keyboard/id6760772362/reviews.md

### 5/5 — 彳亍

*2026-08-08*

还行，用起来没问题，挺方便的（至少现在还是

## Frequently asked questions about ChemKey

### Does ChemKey have ads?

No, ChemKey does not contain advertisements. The app is free to download and use, with optional premium features available for purchase.

### What is the pricing for ChemKey?

ChemKey is free to download and use. A premium version with smart completion is available as a one-time purchase after a 7-day free trial, offering lifetime access without subscriptions.

### What devices does ChemKey support?

ChemKey is available for iPhone and iPad devices. It is designed to function seamlessly on these iOS platforms.

### How often is ChemKey updated?

The latest version of ChemKey is 1.0.1, last updated on April 14, 2026. Updates are provided to enhance functionality and user experience.

### What is the age rating for ChemKey?

ChemKey has an age rating of 4+, making it suitable for a wide range of users, including young students learning chemistry.

### Can I use ChemKey offline?

Yes, ChemKey functions as a keyboard, allowing you to input chemical formulas and symbols offline. Internet connectivity is not required for basic keyboard functionality.

### What makes ChemKey's smart completion feature useful?

The smart completion feature, available in the premium version, provides intelligent suggestions and auto-completes common chemical patterns. This helps save time and improve accuracy when typing complex formulas.

### How does ChemKey compare to standard keyboards for chemistry?

ChemKey is specifically designed for chemistry, offering quick access to symbols and an optimized layout for expressions. This eliminates the need to search for or copy-paste characters, making input significantly faster and more efficient than using a standard keyboard.

## Version history (last 2 releases)

### 1.0.1 — 2026-04-14

Fixed a crash issue affecting the keyboard on iOS 26.4.

### 1.0 — 2026-03-24

No release notes.

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All apps by 俊锋 仝: https://appshunter.io/developer/1209824000

## Related topics

[chemical formula](https://appshunter.io/ios/topics/chemical-formula)

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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 2026-08-12.*