# Ruler® vs iRuler Plus

The clearest difference is rating: Ruler® at 4.3 against iRuler Plus's 1.7. Ruler® also leads on ads (none vs shown) and update cadence (every 2 months vs every 52 months). iRuler Plus's advantage is iOS requirement (9.0 vs 15.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Ruler® sells 2 in-app purchases, starting at $1.99 per 7 days and iRuler Plus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Ruler® holds the better App Store score, 4.3 against 1.7. That said, the two scores are not equally well evidenced: Ruler® has 35K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 22% of Ruler®'s written reviews are positive against 0% of iRuler Plus's.

Ruler® ships an update every 2 months, iRuler Plus every 52 months. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Ruler® | iRuler Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (35K ratings)](https://appshunter.io/ios/app/ruler/id623207505/reviews)** | [1.7 (15 ratings)](https://appshunter.io/ios/app/iruler-plus/id1215565638/reviews) |
| Number of ratings | **35K** | 15 |
| Positive reviews | **21.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 52 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 11 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [CONG DUC TRAN](https://appshunter.io/developer/596643264) |

## What reviewers say

### Ruler®

[App page](https://appshunter.io/ios/app/ruler/id623207505)

This app provides a versatile toolkit for all your measurement needs. It includes a classic ruler, a tape measure, and a camera ruler for precise measurements. Easily switch between units and document your findings by adding measurements directly to photos.

**Highlights:** Classic ruler and tape measure, Camera ruler mode, Photo measures mode, Dual unit support (inches/cm), Precision sliders for small objects, Elegant and user-friendly interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Pro (Weekly) | $1.99 | per 7 days |
| Pro Features | $1.99 | one-time |

**What reviewers like**

- 🚀 Accurate measurements
- 👍 Easy to use
- 🔍 Convenient for small items
- 📏 Useful ruler tool

**What reviewers complain about**

- 💰 Paywall for basic features
- ⏱️ Limited free usage time
- 🔍 Inaccurate for larger objects
- 🙅‍♀️ Aggressive monetization tactics

**Reported bugs**

- Inconsistent measurements
- Compatibility issues with newer devices

**Requested features**

- Ability to switch between metric and imperial units without paying
- Improved accuracy for larger measurements
- Removal of time limits on free usage


### iRuler Plus

[App page](https://appshunter.io/ios/app/iruler-plus/id1215565638)

Measure lengths in centimeters or inches with this virtual ruler app. It offers a user-friendly interface with customizable color themes and styles. Easily measure small objects or long items up to 120 cm.

**Highlights:** Measure in cm or inches, Up to 120 cm scroll ruler, Measure small objects with stick ruler, Multiple ruler themes and colors, Easy to use interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRuler Premium | $1.99 | one-time |


## Frequently asked questions

### Is Ruler® free?

Ruler® is free to download, with in-app purchases available.

### Is iRuler Plus free?

iRuler Plus is free to download, with in-app purchases available.

### Which has better reviews, Ruler® or iRuler Plus?

Ruler® is rated higher. Ruler® averages 4.3 out of 5 from 35K ratings, while iRuler Plus averages 1.7 from 15 ratings.

### Do Ruler® or iRuler Plus have ads?

iRuler Plus shows ads; Ruler® does not.

### Which is updated more often, Ruler® or iRuler Plus?

Ruler® ships an update every 2 months, and iRuler Plus every 52 months. Most recently, Ruler® was updated on October 14, 2026 and iRuler Plus on September 26, 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.*