# GH Air vs Camera Ruler  ٞ

The clearest difference is ads: GH Air at none against Camera Ruler  ٞ's shown. Camera Ruler  ٞ's advantage is update cadence (every 7 months vs every 41 months) and iOS requirement (13.0 vs 18). On price, 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.

GH Air ships an update every 41 months, Camera Ruler  ٞ every 7 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | GH Air | Camera Ruler  ٞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (11 ratings)](https://appshunter.io/ios/app/camera-ruler/id1519778584/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Every 7 months** |
| Monetization | — | Ad-supported |
| Size | 2 MB | 6 MB |
| Requires iOS | 18 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [剑 程](https://appshunter.io/developer/934706802) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### GH Air

[App page](https://appshunter.io/ios/app/gh-air/id1252566447)

**Features:** macOS Compatibility

**In-app purchases:** none


### Camera Ruler  ٞ

[App page](https://appshunter.io/ios/app/camera-ruler/id1519778584)

This utility app uses your phone's camera and augmented reality to take quick measurements of linear sizes, distances, angles, perimeters, and areas. It supports various units and allows you to save and share your measurements.

**Highlights:** AR measurements, Linear size measurement, Distance measurement, Angle measurement, Perimeter and area calculation, Save and share measurements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GH Air free?

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

### Is Camera Ruler  ٞ free?

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

### Do GH Air or Camera Ruler  ٞ have ads?

Camera Ruler  ٞ shows ads; GH Air does not.

### Which is updated more often, GH Air or Camera Ruler  ٞ?

GH Air ships an update every 41 months, and Camera Ruler  ٞ every 7 months. Most recently, GH Air was updated on October 20, 2026 and Camera Ruler  ٞ on October 13, 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.*