# RulerLevel — Ruler Gradienter Protractor

> Multi-tool app with ruler, protractor, compass, and utility functions. (iPhone/iPad app by 世木 林.)

- Source: https://appshunter.io/ios/app/rulerlevel/id861282661 (this page in markdown: same URL + `.md`)
- Developer: [世木 林](https://appshunter.io/developer/528007397)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 2.00/5 from 1 App Store ratings · 20 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 20 MB
- Languages: Chinese (Simplified, China), Chinese (Traditional, Taiwan), American English
- Released: 2014-04-27
- Data updated: 2026-08-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/rulerlevel/id861282661/reviews.md

## What is RulerLevel?

----10 Years Persist，Keep Improving----
√  Ruler、Gradienter、Protractor、Noise Meter、Compass、NetWork Speed
√  AR Ruler、AR Compass、Hang Correct、Unit Conversion
√  SOS Flashlight、Mirror、Collection measuring result 、Screenshot Share
√  Precise scale all of iPhone iPad

1. Ruler level: measure length level calibration, support Centimeter, Inch, Feet,Meter..
2. AR ruler: change the measurement unit, area, length unit conversion, and collect screenshots for quick sharing.
3. Noise meter: detect the surrounding sound decibel by mobile phone
4. Protractor: A small tool that takes the angle of the object and takes measurements with the camera.
5. Hang Correct: A quick view of whether the pendant in the home is neat or small.
6. Compass: fast and accurate positioning, support for latitude and longitude, altitude, pressure unit conversion, and a new AR positioning method!
9. Network speed test: Quickly measure network speed, IP address, and telecom operators.
8. Flashlight: Turn on the light of the mobile phone, SOS light, brightness adjustment memory,  auxiliary measurement shooting.
9、 Conversion of more than 10 units：
Powerful unit conversion tool
Conversion converter
Power converter
Area converter
Volume and capacity converter
Power, energy and heat unit converter
Pressure converter
Temperature converter
Weight converter


Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.orayk.com/user-privacy

## Key features

- AR Ruler and Compass
- Protractor and Noise Meter
- Network Speed Test
- Unit Conversion
- SOS Flashlight
- Screenshot Sharing

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Annual Plan | $1.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Lifetime | $5.99 | one-time |


## Recent user reviews (10 of 20)

All indexed reviews: https://appshunter.io/ios/app/rulerlevel/id861282661/reviews.md

### 2/5 — 这玩意儿还要付费

*2026-08-05*

这玩意儿本来还挺好的，但是问题就是要付费，本来付那点钱也没什么，主要就是我会为了那点功能付钱吗？

### 5/5 — 真好

*2021-06-07*

真好，没广告。

### 2/5 — 骗子，无法取消登录验证

*2020-04-28*

天下骗子真多

### 4/5 — 好

*2020-04-18*

好，问题是怎么打负数？

### 2/5 — 有广告

*2020-02-28*

挺不错的一款软件，为什么会有其他软件的广告呢！

### 2/5 — 不标准

*2018-12-29*

不标准

### 5/5 — 非常好用！

*2018-05-16*

非常好用，以至于广告可忍

### 1/5 — 差劲透顶

*2018-03-28*

用过最差的软件，打开就是广告，不管点击多少次都没法关闭，而且挡住所有东西，根本没法用，不是差评就可以，我简直想举报它，弱智的不行

**Developer response:** 非常感谢您的反馈，
新版本已全面升级超多功能，已不存在您描述的问题！
谢谢！

### 5/5 — 好

*2017-01-22*

赞

### 1/5 — 尺子不准

*2016-10-21*

你不准还存在个鸟

## Frequently asked questions about RulerLevel

### What tools does RulerLevel offer?

RulerLevel includes a ruler, gradienter, protractor, noise meter, compass, network speed tester, AR ruler, AR compass, and a flashlight. It also provides extensive unit conversion capabilities.

### Does RulerLevel support AR measurements?

Yes, RulerLevel features an AR Ruler and AR Compass, allowing for augmented reality-based measurements and positioning.

### What units can be measured with RulerLevel?

The app supports various units for length, including Centimeter, Inch, Feet, and Meter. It also offers conversion for over 10 different unit types.

### Can I share my measurements from RulerLevel?

Yes, RulerLevel allows you to collect measurement results and share them via screenshots.

### What is the age rating for RulerLevel?

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

### How often is RulerLevel updated?

The app was last updated on October 10, 2025, indicating regular maintenance and potential feature additions.

### What subscription plans are available for RulerLevel?

RulerLevel offers a Monthly Plan at $0.99/month and an Annual Plan at $1.99/year, both with a 7-day free trial.

### Does RulerLevel have ads?

Based on the provided data, RulerLevel does not have advertisements.

## Version history (last 5 releases)

### 2.8 — 2025-10-10

Bug Fix  and UI optimizations

### 2.7 — 2025-10-09

.Support for the latest iOS 26 and iPadOS 26 for stable performance
.Full adoption of the new Liquid Glass design with improved visuals and interactions
.Added support for the latest iPhone 17.
.Fixed user-reported issues and enhanced overall performance

### 2.6 — 2025-09-16

1.Fully compatible with the latest iOS and iPadOS versions
2.Recalibrated ruler accuracy for the newest iPhone and iPad models
3.Optimized interface and smoother user experience
4.Fixed an issue where the compass could not open on the latest system
5.General bug fixes and stability improvements

### 2.5 — 2022-10-22

•Add  5.4", 6.7" iPhone Ruler measurement support
• Re-corrected iPad Ruler Level display for more accurate measurement
• Fix iOS 16 quickly measurement tools  not show
•Other bug fix, enhance stability

### 2.3 — 2020-05-14

• Compatible latest iOS
• Support for the new iPhone iPad
• Bug Fix

## Apps similar to RulerLevel

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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All apps by 世木 林: https://appshunter.io/developer/528007397

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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 2026-08-12.*