# Simple Ruler inch/cm vs Architects Ruler

The clearest difference is price: Architects Ruler at Free against Simple Ruler inch/cm's $0.99. Simple Ruler inch/cm's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 3 months). On ads and device support there is nothing between them.

Architects Ruler is free to download; Simple Ruler inch/cm costs $0.99 up front. Architects Ruler sells 1 one-off in-app purchase. Simple Ruler inch/cm asks for nothing beyond the download.

Simple Ruler inch/cm ships an update daily, Architects Ruler every 3 months. The most recent releases landed on September 12, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Simple Ruler inch/cm | Architects Ruler |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 months |
| Monetization | Paid | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **16.1** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [Gijs Raggers](https://appshunter.io/developer/1438841415) |

## What reviewers say

### Simple Ruler inch/cm

[App page](https://appshunter.io/ios/app/simple-ruler-inchcm/id6479048575)

This utility transforms your iPhone into a precise on-screen ruler for measuring in inches and centimeters. It offers a simple interface for quick measurements, serving as a handy tool for various tasks.

**Highlights:** On-screen ruler, Inch measurement, Centimeter measurement, Simple interface, Accurate measurements

**In-app purchases:** none


### Architects Ruler

[App page](https://appshunter.io/ios/app/architects-ruler/id6755367822)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime scales menu | $0.99 | one-time |


## Frequently asked questions

### Is Simple Ruler inch/cm free?

Simple Ruler inch/cm costs $0.99, with no in-app purchases.

### Is Architects Ruler free?

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

### Do Simple Ruler inch/cm or Architects Ruler have ads?

Neither Simple Ruler inch/cm nor Architects Ruler shows ads.

### Which is updated more often, Simple Ruler inch/cm or Architects Ruler?

Simple Ruler inch/cm ships an update daily, and Architects Ruler every 3 months. Most recently, Simple Ruler inch/cm was updated on September 12, 2026 and Architects Ruler on September 18, 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.*