# 計算用紙 vs Pieto Timer

The clearest difference is price: Pieto Timer at Free against 計算用紙's $1.99. Pieto Timer also leads on update cadence (every 4 days vs every 2 weeks). 計算用紙's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Pieto Timer is free to download; 計算用紙 costs $1.99 up front. Pieto Timer sells 3 one-off in-app purchases. 計算用紙 asks for nothing beyond the download.

計算用紙 ships an update every 2 weeks, Pieto Timer every 4 days. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 計算用紙 | Pieto Timer |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 3 MB | 24 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Akira Hiraoka](https://appshunter.io/developer/1668714727) | [wataru takahashi](https://appshunter.io/developer/1896618750) |

## What reviewers say

### 計算用紙

[App page](https://appshunter.io/ios/app/id6476022309)

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

**In-app purchases:** none


### Pieto Timer

[App page](https://appshunter.io/ios/app/pieto-timer/id6768957592)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒー 1 杯 | $0.99 | one-time |
| ビール 1 杯 | $2.99 | one-time |
| ピザ 1 枚 | $6.99 | one-time |


## Frequently asked questions

### Is 計算用紙 free?

計算用紙 costs $1.99, with no in-app purchases.

### Is Pieto Timer free?

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

### Do 計算用紙 or Pieto Timer have ads?

Neither 計算用紙 nor Pieto Timer shows ads.

### Which is updated more often, 計算用紙 or Pieto Timer?

計算用紙 ships an update every 2 weeks, and Pieto Timer every 4 days. Most recently, 計算用紙 was updated on October 21, 2026 and Pieto Timer on October 13, 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.*