# 100cm Ruler vs 累計くんクラウド

The clearest difference is in-app purchases: 累計くんクラウド at none against 100cm Ruler's 1. 100cm Ruler's advantage is iOS requirement (12.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 100cm Ruler sells 1 one-off in-app purchase. 累計くんクラウド asks for nothing beyond the download.

100cm Ruler ships an update every 3 months, 累計くんクラウド every 6 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 100cm Ruler | 累計くんクラウド |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/100cm-ruler/id982815744/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 45.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 80 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZOOMO Inc.](https://appshunter.io/developer/490112424) | [TERADA_SEISAKUSHO](https://appshunter.io/developer/669879897) |

## What reviewers say

### 100cm Ruler

[App page](https://appshunter.io/ios/app/100cm-ruler/id982815744)

This app provides a digital ruler for measuring the length and diameter of small objects directly on your device. It features a millimeter scale and allows for easy sliding to measure.

**Highlights:** Digital ruler functionality, Millimeter scale, Diameter measurement, Screen sliding for measurement, Ad removal option

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $1.99 | one-time |


### 累計くんクラウド

[App page](https://appshunter.io/ios/app/id6753059824)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 100cm Ruler free?

100cm Ruler is free to download, with in-app purchases available.

### Is 累計くんクラウド free?

累計くんクラウド is free to download, with no in-app purchases.

### Do 100cm Ruler or 累計くんクラウド have ads?

Neither 100cm Ruler nor 累計くんクラウド shows ads.

### Which is updated more often, 100cm Ruler or 累計くんクラウド?

100cm Ruler ships an update every 3 months, and 累計くんクラウド every 6 months. Most recently, 100cm Ruler was updated on October 14, 2026 and 累計くんクラウド on October 15, 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.*