# 片手キーボードPRO vs KotoKey

The clearest difference is price: KotoKey at Free against 片手キーボードPRO's $3.99. KotoKey also leads on update cadence (weekly vs every 3 months). 片手キーボードPRO's advantage is in-app purchases (none vs 1) and ads (none vs shown).

KotoKey is free to download; 片手キーボードPRO costs $3.99 up front. KotoKey sells 1 one-off in-app purchase. 片手キーボードPRO asks for nothing beyond the download.

片手キーボードPRO ships an update every 3 months, KotoKey weekly. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 片手キーボードPRO | KotoKey |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.1 (7 ratings)](https://appshunter.io/ios/app/kotokey-custom-keyboard/id6779455087/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 112 MB | 64 MB |
| Requires iOS | **15.6** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TAWASHI KAMEMUSHI](https://appshunter.io/developer/435733426) | [Natsumi Hayakawa](https://appshunter.io/developer/6779455089) |

## What reviewers say

### 片手キーボードPRO

[App page](https://appshunter.io/ios/app/pro/id1021368752)

**Features:** Vision Pro support

**In-app purchases:** none


### KotoKey

[App page](https://appshunter.io/ios/app/kotokey-custom-keyboard/id6779455087)

Personalize your typing experience with custom themes and satisfying mechanical keyboard sounds. This utility app offers predictive suggestions and text replacements for faster input, making every keystroke feel more comfortable and unique.

**Highlights:** Mechanical keyboard sound effects, Customizable keyboard themes, Predictive text suggestions, Text replacement for phrases, Auto Shift and Smart Apostrophe, English QWERTY and Japanese input

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KotoKey Premium | $2.99 | one-time |


## Frequently asked questions

### Is 片手キーボードPRO free?

片手キーボードPRO costs $3.99, with no in-app purchases.

### Is KotoKey free?

KotoKey is free to download, with in-app purchases available.

### Do 片手キーボードPRO or KotoKey have ads?

KotoKey shows ads; 片手キーボードPRO does not.

### Which is updated more often, 片手キーボードPRO or KotoKey?

片手キーボードPRO ships an update every 3 months, and KotoKey weekly. Most recently, 片手キーボードPRO was updated on October 8, 2026 and KotoKey on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*