# 片手キーボードPRO vs iCalculator

The clearest difference is in-app purchases: 片手キーボードPRO at none against iCalculator's 1. iCalculator's advantage is update cadence (every 9 days vs every 3 months) and price ($1.99 vs $3.99). On ads and device support there is nothing between them.

片手キーボードPRO costs $3.99 and iCalculator $1.99 up front. iCalculator sells 1 in-app purchase, starting at $0.49 per month. 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, iCalculator every 9 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | 片手キーボードPRO | iCalculator |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/icalculator-keyboard-calc/id1176527512/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 76.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 112 MB | 6 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAWASHI KAMEMUSHI](https://appshunter.io/developer/435733426) | [Nan Chao](https://appshunter.io/developer/965680403) |

## 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


### iCalculator

[App page](https://appshunter.io/ios/app/icalculator-keyboard-calc/id1176527512)

This app offers a powerful and intuitive calculator experience, featuring both basic and scientific functions. It calculates results instantly as you type and allows for easy editing and history management. Customize your experience with themes and integrate it seamlessly as a keyboard or Today Widget.

**Highlights:** Instant calculation without '=' button, Basic & Scientific Calculator, Fraction & Expression Calculator, History List with iCloud sync, Customizable themes, Keyboard extension for any app, Today Widget support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.49 | per month |


## 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 iCalculator free?

iCalculator costs $1.99, and also offers in-app purchases.

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

Neither 片手キーボードPRO nor iCalculator shows ads.

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

片手キーボードPRO ships an update every 3 months, and iCalculator every 9 days. Most recently, 片手キーボードPRO was updated on October 29, 2026 and iCalculator on October 29, 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.*