# Ruler vs ClientDex360

The clearest difference is update cadence: ClientDex360 at every 6 days against Ruler's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ruler ships an update every 5 months, ClientDex360 every 6 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Ruler | ClientDex360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (40 ratings)](https://appshunter.io/ios/app/ruler-accurate-ruler/id1084232739/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 4 MB | 62 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [祥祎 刘](https://appshunter.io/developer/1071522659) | [Fredy Edison](https://appshunter.io/developer/1510849438) |

## What reviewers say

### Ruler

[App page](https://appshunter.io/ios/app/ruler-accurate-ruler/id1084232739)

This application provides a precise measurement tool by rendering according to your device's screen width specifications. It has been tested on a wide range of Apple devices to ensure accuracy for your measuring needs.

**Highlights:** Accurate screen-based rendering, Device-specific calibration, Wide device compatibility, Precise measurement tool

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

**In-app purchases:** none

**What reviewers like**

- ✅ Accurate measurements compared to physical rulers
- 👍 Simple and intuitive user interface
- 🎯 No intrusive ads or minimal advertising
- ⚡ Fast and responsive performance
- 🆓 Free to use application

**What reviewers complain about**

- 🐛 Blank white screen on newer devices
- ❌ No support for iPhone 12 and newer models
- ❌ No support for iPhone X and iPhone 11
- 🔄 App not updated in years
- ⚠️ Device compatibility detection issues

**Reported bugs**

- White/blank screen display on newer iOS versions
- App crashes and freezes on launch
- Ruler not rendering or displaying
- Toggle switches stuck in grey/disabled state
- Incorrect device identification (iPad size misidentification)

**Requested features**

- Support for iPhone 12, 13, 14, 15, 16 and newer models
- Millimeter measurement option
- Longer ruler display
- Fractional inches (1/16, 1/8) instead of decimal inches
- Support for newer iPad models


### ClientDex360

[App page](https://appshunter.io/ios/app/clientdex360/id6771203606)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruler free?

Ruler is free to download, with no in-app purchases.

### Is ClientDex360 free?

ClientDex360 is free to download, with no in-app purchases.

### Do Ruler or ClientDex360 have ads?

Neither Ruler nor ClientDex360 shows ads.

### Which is updated more often, Ruler or ClientDex360?

Ruler ships an update every 5 months, and ClientDex360 every 6 days. Most recently, Ruler was updated on October 20, 2026 and ClientDex360 on October 7, 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.*