# Ruler vs MessMate

The clearest difference is in-app purchases: MessMate at none against Ruler's 1. MessMate also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ruler sells 1 one-off in-app purchase. MessMate asks for nothing beyond the download.

Ruler ships an update every 5 months, MessMate every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ruler | MessMate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ruler-scale-ruler/id919130707/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 63.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 15 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mitsunori oishi](https://appshunter.io/developer/905649994) | [Softulas](https://appshunter.io/developer/1802924052) |

## What reviewers say

### Ruler

[App page](https://appshunter.io/ios/app/ruler-scale-ruler/id919130707)

This app displays various measurement scales for length, including meters and inches. It allows users to set magnification ratios and reduced scales for different applications. Users can calibrate the ruler and adjust PPI settings for accurate measurements.

**Highlights:** Display various measurement scales, Set magnification ratios, Set reduced scales, Measure in meters and inches, Free mode for custom scales, Calibration for accuracy, PPI setting

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads | $0.99 | one-time |


### MessMate

[App page](https://appshunter.io/ios/app/messmate-the-mess-manager/id6812003921)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruler free?

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

### Is MessMate free?

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

### Do Ruler or MessMate have ads?

Ruler shows ads; MessMate does not.

### Which is updated more often, Ruler or MessMate?

Ruler ships an update every 5 months, and MessMate every 3 weeks. Most recently, Ruler was updated on October 21, 2026 and MessMate on October 24, 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.*