# Air Ruler - Objects Measure — Simply Ruler

> Simply Ruler (iPhone/iPad app by 乐祥 胡.)

- Source: https://appshunter.io/ios/app/air-ruler-objects-measure/id6763083628 (this page in markdown: same URL + `.md`)
- Developer: [乐祥 胡](https://appshunter.io/developer/1572365721)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 7 MB
- Languages: Arabic, American English, Japanese, Korean, Chinese (Traditional, Taiwan), Chinese (Simplified, China)
- Released: 2026-05-12
- Data updated: 2026-08-19
- User reviews in markdown: https://appshunter.io/ios/app/air-ruler-objects-measure/id6763083628/reviews.md

## What is Air Ruler?

Turn your iPhone into a real, precision ruler.
No need for a physical ruler — your screen becomes a true mm/cm scale.

Screen Ruler Mode

Place your phone next to any object. The screen displays a real millimeter and centimeter scale.
Perfect for:

Small objects, parts, jewelry
Paper, photos, cards
Screen bezels, phone cases, printed materials
Anything that requires a direct, physical scale
Why Air Ruler?

No physical ruler needed — your phone is all you need
Pure screen ruler mode, no AR complexity
Clean, simple, open-and-use interface
Supports cm / inch switch
Use Cases

DIY & crafts: materials, fabric, model parts
Office & study: book dimensions, on-screen image sizes
Home & daily use: check length/width of small items
Quick estimation: need to know how long something is? Just use your phone
Air Ruler. Measure anywhere.

—   Privacy Policy please visit: 
   https://docs.qq.com/doc/DREt1SXJkbG9JYUFT

*  **Terms of  use  (EULA)：
* https://docs.qq.com/doc/DREdKR2ZwYUJaa1hr
* **Terms of apple  please visit: 
*  https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Ruler Premium - 30days | $2.99 | per month |
| Ruler premium - yearly | $8.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Ruler Premium - lifetime | $29.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-05-12

No release notes.

## More apps by 乐祥 胡

- [厦门地铁助手](https://appshunter.io/ios/app/id6736643380)
- [济南地铁助手](https://appshunter.io/ios/app/id6736646083)
- [东莞地铁助手](https://appshunter.io/ios/app/id6736825923)
- [上海地铁助手](https://appshunter.io/ios/app/id6736857821)
- [广州地铁助手](https://appshunter.io/ios/app/id6736858136)
- [长春地铁助手](https://appshunter.io/ios/app/id6736858566)

All apps by 乐祥 胡: https://appshunter.io/developer/1572365721

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*