# Digital Ruler vs SnapSize

The clearest difference is update cadence: SnapSize at every 6 months against Digital Ruler's every 128 months. SnapSize also leads on iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Digital Ruler ships an update every 128 months, SnapSize every 6 months. The most recent releases landed on September 7, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Digital Ruler | SnapSize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/digital-ruler-pocket-measure/id1037588592/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 128 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 2 MB | 108 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Nam Giang](https://appshunter.io/developer/583763906) | [System Friend, Inc.](https://appshunter.io/developer/366253398) |

## What reviewers say

### Digital Ruler

[App page](https://appshunter.io/ios/app/digital-ruler-pocket-measure/id1037588592)

Measure small objects directly on your device's screen. Adjust the on-screen area to match the item's dimensions and get precise width, height, and diagonal measurements in centimeters or inches.

**Highlights:** Measure width, height, and diagonal, Supports centimeters and inches, Adjustable on-screen measurement area, Works on iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### SnapSize

[App page](https://appshunter.io/ios/app/snapsize/id6738078747)

**In-app purchases:** none


## Frequently asked questions

### Is Digital Ruler free?

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

### Is SnapSize free?

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

### Do Digital Ruler or SnapSize have ads?

Neither Digital Ruler nor SnapSize shows ads.

### Which is updated more often, Digital Ruler or SnapSize?

Digital Ruler ships an update every 128 months, and SnapSize every 6 months. Most recently, Digital Ruler was updated on September 7, 2026 and SnapSize on September 11, 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.*