# Ruler App vs Architects Ruler

The clearest difference is price: Architects Ruler at Free against Ruler App's $0.99. Architects Ruler also leads on update cadence (every 3 months vs every 11 months). Ruler App's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

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

Ruler App ships an update every 11 months, Architects Ruler every 3 months. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Ruler App | Architects Ruler |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/ruler-app/id303731879/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 2 MB | 4 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Gijs Raggers](https://appshunter.io/developer/1438841415) |

## What reviewers say

### Ruler App

[App page](https://appshunter.io/ios/app/ruler-app/id303731879)

Transform your iPhone or Apple Watch into a precise measuring tool. Easily switch between imperial and metric units and adjust the ruler's height for direct comparisons. Customize your experience with different color schemes.

**Highlights:** Imperial and metric scale switching, Adjustable ruler height, Color scheme customization, Apple Watch compatibility, Switchable ruler scales

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

**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 Ruler App free?

Ruler App costs $0.99, with no in-app purchases.

### Is Architects Ruler free?

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

### Do Ruler App or Architects Ruler have ads?

Neither Ruler App nor Architects Ruler shows ads.

### Which is updated more often, Ruler App or Architects Ruler?

Ruler App ships an update every 11 months, and Architects Ruler every 3 months. Most recently, Ruler App was updated on October 19, 2026 and Architects Ruler on October 17, 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.*