# Calculator on Watch vs 計算機 +読み上げたり式や履歴が見える

The clearest difference is price: 計算機 +読み上げたり式や履歴が見える at Free against Calculator on Watch's $0.99. 計算機 +読み上げたり式や履歴が見える also leads on update cadence (every 8 days vs every 17 months) and iOS requirement (9.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

計算機 +読み上げたり式や履歴が見える is free to download; Calculator on Watch costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator on Watch ships an update every 17 months, 計算機 +読み上げたり式や履歴が見える every 8 days. The most recent releases landed on October 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calculator on Watch | 計算機 +読み上げたり式や履歴が見える |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/calculator-on-watch/id988311390/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 17 MB | 21 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sing Fu Chan](https://appshunter.io/developer/799399521) | [Mamoru Yano](https://appshunter.io/developer/1222407447) |

## What reviewers say

### Calculator on Watch

[App page](https://appshunter.io/ios/app/calculator-on-watch/id988311390)

A straightforward and functional calculator designed for smartwatches. It offers a simple, user-friendly interface for quick calculations directly on your wrist.

**Highlights:** Simple interface, Easy to use, Highly functional, Beautiful design, On-wrist calculations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 計算機 +読み上げたり式や履歴が見える

[App page](https://appshunter.io/ios/app/plus/id1308221861)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator on Watch free?

Calculator on Watch costs $0.99, with no in-app purchases.

### Is 計算機 +読み上げたり式や履歴が見える free?

計算機 +読み上げたり式や履歴が見える is free to download, with no in-app purchases.

### Do Calculator on Watch or 計算機 +読み上げたり式や履歴が見える have ads?

Neither Calculator on Watch nor 計算機 +読み上げたり式や履歴が見える shows ads.

### Which is updated more often, Calculator on Watch or 計算機 +読み上げたり式や履歴が見える?

Calculator on Watch ships an update every 17 months, and 計算機 +読み上げたり式や履歴が見える every 8 days. Most recently, Calculator on Watch was updated on October 29, 2026 and 計算機 +読み上げたり式や履歴が見える on October 6, 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.*