# Ruler HD - Accurate Ruler — Accurate length measurement

> Accurate digital ruler for measuring lengths on your mobile device. (iPhone/iPad app by Amber Mobile Limited.)

- Source: https://appshunter.io/ios/app/ruler-hd-accurate-ruler/id1276160037 (this page in markdown: same URL + `.md`)
- Developer: [Amber Mobile Limited](https://appshunter.io/developer/1105321111)
- Category: Utilities, Productivity
- Price: $0.99
- Rating: 3.70/5 from 7 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 23 MB
- Languages: English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Chinese and 5 more
- Released: 2017-09-14
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/ruler-hd-accurate-ruler/id1276160037/reviews.md

## What is Ruler HD?

Ruler is a super practical exquisite length measurement tool, anytime you anywhere you want, lightweight and convenient, you deserve it.
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   Features
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1. provide two kinds of fine skin style for your selection
2. Provide in inches, centimeters units
3. According to your use of a key to switch the screen up and down
4. Perfect for a variety of mobile phone screen

## Key features

- Precise length measurement
- Inch and centimeter units
- Customizable screen orientation
- Multiple skin styles
- Optimized for mobile screens

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/ruler-hd-accurate-ruler/id1276160037/reviews.md

### 1/5 — Isn’t accurate

*2020-07-06, version V1.0.1*

Don’t buy it!

### 1/5 — Doesn't work

*2018-04-08, version 1.0.0*

Just plain doesn't work. The entirety of the theme doesn't fit or show up in the screen, and it doesn't measure anything. There are no instructions.

## Frequently asked questions about Ruler HD

### What is Ruler HD?

Ruler HD is a utility app that uses your device's screen to provide accurate length measurements. It supports both inches and centimeters and offers customizable display options.

### How accurate is Ruler HD?

The app is designed for accurate length measurement using your device's screen. It is suitable for quick, on-the-go measurements where high precision is not critical.

### What units does Ruler HD support?

Ruler HD supports measurements in both inches and centimeters, allowing users to select their preferred unit of measurement.

### Can I change the appearance of Ruler HD?

Yes, Ruler HD offers two kinds of fine skin styles for users to select from, allowing for a personalized visual experience.

### What devices is Ruler HD compatible with?

Ruler HD is compatible with iPhone and iPad devices.

### How much does Ruler HD cost?

Ruler HD is a paid application, available for a one-time purchase of $0.99.

### When was Ruler HD last updated?

Ruler HD was last updated on June 4, 2018, with version V1.0.1.

### What is the age rating for Ruler HD?

Ruler HD has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 1 release)

### V1.0.1 — 2018-06-04

This app has been updated by Apple to display the Apple Watch app icon.

- Fixed a crash bug.

## Apps similar to Ruler HD

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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## More apps by Amber Mobile Limited

- [Amber Weather AQI Forecast](https://appshunter.io/ios/app/amber-weather-aqi-forecast/id1232499819)
- [Weather Radar - live satellite](https://appshunter.io/ios/app/weather-radar-live-satellite/id1248160986)
- [Thermometer&Temperature app](https://appshunter.io/ios/app/thermometer-and-temperature-app/id1251919029)
- [Weather Camera Sticker-Photo & picture watermark](https://appshunter.io/ios/app/weather-camera-sticker-photo-and-picture-watermark/id1254404354)
- [Barometer HD](https://appshunter.io/ios/app/barometer-hd/id1262318294)
- [Hygrometer Assistant](https://appshunter.io/ios/app/hygrometer-assistant/id1267203074)

All apps by Amber Mobile Limited: https://appshunter.io/developer/1105321111

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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 2026-06-10.*