# 100cm Ruler vs Bondworks

The clearest difference is in-app purchases: Bondworks at none against 100cm Ruler's 1. 100cm Ruler's advantage is iOS requirement (12.0 vs 16.6). 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. Bondworks asks for nothing beyond the download.

100cm Ruler ships an update every 3 months, Bondworks every 6 months. Both last shipped on October 5, 2026.

## The numbers

| Metric | 100cm Ruler | Bondworks |
| --- | --- | --- |
| 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 | 2 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZOOMO Inc.](https://appshunter.io/developer/490112424) | [Bondworks, Inc.](https://appshunter.io/developer/1829531173) |

## 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 |


### Bondworks

[App page](https://appshunter.io/ios/app/bondworks/id6749247279)

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

**In-app purchases:** none


## Frequently asked questions

### Is 100cm Ruler free?

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

### Is Bondworks free?

Bondworks is free to download, with no in-app purchases.

### Do 100cm Ruler or Bondworks have ads?

Neither 100cm Ruler nor Bondworks shows ads.

### Which is updated more often, 100cm Ruler or Bondworks?

100cm Ruler ships an update every 3 months, and Bondworks every 6 months. Most recently, 100cm Ruler was updated on October 5, 2026 and Bondworks 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.*