# Total Keys — Scientific & Productivity type

> Scientific & Productivity type (iPhone/iPad app by Nghia Huynh Quang.)

- Source: https://appshunter.io/ios/app/total-keys/id6780955038 (this page in markdown: same URL + `.md`)
- Developer: [Nghia Huynh Quang](https://appshunter.io/developer/1514165485)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18 · 11 MB
- Languages: American English
- Released: 2026-06-29
- Data updated: 2026-07-25
- User reviews in markdown: https://appshunter.io/ios/app/total-keys/id6780955038/reviews.md

## What is Total Keys?

Total Keys is a powerful keyboard designed for students, engineers, scientists, language learners, and anyone who types beyond ordinary text.

Go beyond a standard keyboard with built-in tools for mathematical expressions, chemical formulas, special symbols, and productivity features that help you write faster and more accurately in any app.

FEATURES

• Math Calculation While Typing
Type mathematical expressions and instantly calculate results without leaving your current app.

• Scientific Super & Subscript Typing
Write chemical formulas, mathematical notation, units, exponents, and scientific expressions with ease.

• Greek, IPA, Math & Special Symbols
Quick access to hundreds of commonly used symbols for science, engineering, linguistics, and technical writing. 
These symbols are capable added easily in Customize tab by Unicode HEX.

• Clipboard History
Store and reuse multiple copied items with convenient clipboard history access.

• Cursor Control & Productivity Tools
Move the cursor efficiently and edit text with greater precision.

• Multiple Keyboard Themes
Personalize your typing experience with additional keyboard themes and styles.

• Lightweight & Fast
Designed for smooth performance and responsive typing.

PREMIUM PACK

Unlock unlimited access to:
• Math calculations
• Clipboard history
• Special symbols
• Super/subscript typing
• Premium keyboard themes

Whether you're writing equations, chemical formulas, technical documents, academic notes, or multilingual content, Total Keys gives you the tools that standard keyboards don't provide.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Pack | $2.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-06-29

No release notes.

## More apps by Nghia Huynh Quang

- [Camera Notes](https://appshunter.io/ios/app/camera-notes/id1514165486)
- [Tool Clock](https://appshunter.io/ios/app/tool-clock/id6449158660)

All apps by Nghia Huynh Quang: https://appshunter.io/developer/1514165485

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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 2026-07-25.*