# PhysKey Custom — 数式・記号入力に特化したキーボード

> 数式・記号入力に特化したキーボード (iPhone/iPad app by Ryosuke Asano.)

- Source: https://appshunter.io/ios/app/physkey-custom/id6757507136 (this page in markdown: same URL + `.md`)
- Developer: [Ryosuke Asano](https://appshunter.io/developer/1858758761)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 5 MB
- Languages: American English, Japanese
- Released: 2026-05-16
- Data updated: 2026-09-19
- User reviews in markdown: https://appshunter.io/ios/app/physkey-custom/id6757507136/reviews.md

## What is PhysKey Custom?

A custom keyboard built for science and math enthusiasts.
Say goodbye to the hassle of symbol input and streamline your typing on mobile.

Features
Type Greek letters (α, β, γ...) directly from the key layout
Access frequently used physical constants and units in one tap
Full coverage of math symbols (∫, Σ, √...)
Works in every app — notes, social media, and more

Perfect for writing science reports, logging experimental data, or chatting while studying.
No more typing out "alpha" and hunting through conversion suggestions.
Give PhysKey a try — simple, intuitive, and built for the way you think.


## Version history (last 3 releases)

### 1.2 — 2026-09-19

Bug fixes and minor improvements

### 1.1 — 2026-05-28

バグ修正と細かい改善。

### 1.0 — 2026-01-15

No release notes.

## More apps by Ryosuke Asano

- [Sudoku 9×9](https://appshunter.io/ios/app/sudoku-99/id6757303711)
- [マルチメモ](https://appshunter.io/ios/app/id6757674200)
- [Hexadoku](https://appshunter.io/ios/app/hexadoku/id6760930989)
- [PixelResizer 1024](https://appshunter.io/ios/app/pixelresizer-1024/id6775221242)

All apps by Ryosuke Asano: https://appshunter.io/developer/1858758761

---

*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 2026-09-19.*