# Ruler for iPad and iPhone

> Digital ruler app for measuring small objects in inches or centimeters. (iPhone/iPad app by Jonathon Walz.)

- Source: https://appshunter.io/ios/app/ruler-for-ipad-and-iphone/id408117905 (this page in markdown: same URL + `.md`)
- Developer: [Jonathon Walz](https://appshunter.io/developer/346006695)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 4.50/5 from 545 App Store ratings · 73 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 39 MB
- Languages: American English, Chinese (Simplified, China), European Spanish
- Released: 2010-12-15
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ruler-for-ipad-and-iphone/id408117905/reviews.md

## What is Ruler for iPad and iPhone?

Have you ever wanted to measure the length of something under 9" (4" for iPhone)?

Don't want to spend 10 cents on a wood ruler at your local hardware store?

Well, you're in luck!  With Ruler, you can measure any small object.  Inches or centimeters; it doesn't matter--Ruler will make the measurement!

Special Features:

• Allows you to include the bezel of your device in your measurement, allowing you to measure objects larger than your screen!

• Touch two points on screen to have Ruler tell you their distance apart!

• Email your measurements.

## Key features

- Measure small objects
- Inches and centimeters
- Include device bezel for larger measurements
- Measure distance between two points
- Email measurements

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| complete ad removal | $0.99 | one-time |
| complete ad removal | $1.99 | one-time |
| complete ad removal | $2.99 | one-time |
| complete ad removal | $3.99 | one-time |
| complete ad removal | $4.99 | one-time |
| complete ad removal | $6.99 | one-time |
| complete ad removal | $9.99 | one-time |


## What do users think of Ruler for iPad and iPhone?

Overall sentiment: neutral

**Pros**

- 👍 Very Convenient
- ⚖️ Accurate
- 🚀 Quick and simple
- 🎨 Clear and well-designed

**Cons**

- 🐛 Inaccurate measurements
- 🚫 Incompatible with newer devices
- 📵 Ads blocking utility
- 🤯 Confusing/buggy interface

**Commonly reported bugs**

- Ruler lines disappearing
- Freezing/crashing issues
- Incorrect scaling on different devices

**Most requested features**

- Add support for millimeters
- Ability to save and share measurements
- Customizable ruler options

## Recent user reviews (10 of 73)

All indexed reviews: https://appshunter.io/ios/app/ruler-for-ipad-and-iphone/id408117905/reviews.md

### 1/5 — 👎👎👎👎👎

*2023-05-26*

😿

### 5/5 — Very Convenient!!!  I use a lot!

*2022-05-31*

Use

### 1/5 — Nah...

*2021-06-11*

I gave them a buck, but not sure why. Maybe cause $.50 is not an option. I still don't get the purpose. Maybe the person who gave it a good review can explain it to the rest of us?

### 1/5 — App keeps freezing

*2020-11-29*

Appp keeps freezing on me for no reason

### 5/5 — Accurate

*2019-11-23*

I tried two other screen-ruler apps and they were way off on iPhone X. This one is accurate!

### 4/5 — useful but -

*2019-08-26*

useful app, but the add at the bottom conceals the end of the ruler. can the add go in the middle where it doesn’t obscure the point of the app??

### 5/5 — Does what it’s supposed to

*2019-02-16, version 3.1.3*

Works. Does what it’s supposed to do. Ads are unobtrusive. Who could ask for more!

### 1/5 — No iPad 12.9 pro support

*2018-11-12, version 3.1.3*

No IPad 12.9 support

### 1/5 — Inaccurate

*2018-06-22*

Doesn't display correctly on my iPhone 6s plus, one inch on this ruler is closer to 1.2 inches in reality.

### 5/5 — Works as advertised

*2018-03-06*

Many ruler apps are not scaled correctly to iPhone X, but this one was — I checked it with a tape measure.

## Frequently asked questions about Ruler for iPad and iPhone

### What can I measure with this app?

This app allows you to measure the length of small objects that are under 9 inches (or 4 inches on an iPhone). It can measure in both inches and centimeters, making it versatile for various needs.

### How does the app measure objects larger than the screen?

The app has a special feature that allows you to include the bezel of your device in the measurement. This enables you to accurately measure objects that are physically larger than your device's screen.

### Can I measure the distance between two points?

Yes, the app allows you to touch two points on the screen, and it will tell you the distance between them. This is useful for precise measurements within your device's view.

### Is this app free to use?

The app is free to download and use, but it offers in-app purchases. This means you can use the basic features for free, with options to upgrade or unlock additional functionality.

### How can I share my measurements?

You can easily share your measurements directly from the app. It provides an option to email your recorded measurements, allowing you to send them to others for reference or documentation.

## Version history (last 5 releases)

### 3.1.4 — 2019-03-24

Updated built in device library.

### 3.1.3 — 2018-07-16

Updated 3rd party libraries
Updated built-in device data

### 3.1.2 — 2018-01-31

Minor bug fixes related to ads

### 3.1.1 — 2017-12-20

Bug fixes

### 3.1.0 — 2017-11-14

Basic iPhone X support
Updated built in device size database
Adjusted one touch measurements to require a longer touch before triggering (100ms)
Minor bug fixes

## Apps similar to Ruler for iPad and iPhone

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Ruler®](https://appshunter.io/ios/app/ruler/id623207505) | 4.3 (34,975) | Free | Utilities |
| [Measuring Tape: Digital Ruler](https://appshunter.io/ios/app/measuring-tape-digital-ruler/id6474505339) | 4.1 (44) | Free | Utilities |
| [Ruler Pro - Tape Measure AR](https://appshunter.io/ios/app/ruler-pro-tape-measure-ar/id1672750252) | 5.0 (11) | $2.99 | Utilities |
| [Measuring Tape +ㅤ](https://appshunter.io/ios/app/measuring-tape-plus/id1620141081) | 4.8 (4,911) | Free | Utilities |
| [Tape Measure & Ruler Арр](https://appshunter.io/ios/app/tape-measure-and-ruler/id1453537222) | 4.2 (3,999) | Free | Utilities |
| [AR Ruler - Pocket Measure Kit](https://appshunter.io/ios/app/ar-ruler-pocket-measure-kit/id1274397455) | 4.0 (23) | Free | Utilities |

## More apps by Jonathon Walz

- [Strobe Light](https://appshunter.io/ios/app/strobe-light/id377230204)
- [Countdown Customized](https://appshunter.io/ios/app/countdown-customized/id658939153)

All apps by Jonathon Walz: https://appshunter.io/developer/346006695

---

*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.*