# CradleViewer vs AR Ruler Lite

The clearest difference is rating: CradleViewer at 5.0 against AR Ruler Lite's 1.7. CradleViewer also leads on iOS requirement (9.1 vs 11.0). AR Ruler Lite's advantage is update cadence (every 2 days vs every 4 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CradleViewer holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

CradleViewer ships an update every 4 months, AR Ruler Lite every 2 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CradleViewer | AR Ruler Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cradleviewer/id1207997595/reviews)** | [1.7 (3 ratings)](https://appshunter.io/ios/app/ar-ruler-lite/id1366558089/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 20 MB | 22 MB |
| Requires iOS | **9.1** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Software Cradle Co., Ltd.](https://appshunter.io/developer/1207997594) | [Ca Li Sa](https://appshunter.io/developer/1230458305) |

## What reviewers say

### CradleViewer

[App page](https://appshunter.io/ios/app/cradleviewer/id1207997595)

View simulation results from scSTREAM, SC/Tetra, scFLOW, and HeatDesigner. Manipulate modeled objects by rotating, moving, zooming, and toggling pre-set images or animations for detailed analysis.

**Highlights:** View simulation results, Rotate modeled objects, Move modeled objects, Zoom modeled objects, Toggle images/animation

**Features:** macOS Compatibility

**In-app purchases:** none


### AR Ruler Lite

[App page](https://appshunter.io/ios/app/ar-ruler-lite/id1366558089)

This utility app transforms your smartphone into a portable measuring tool using augmented reality. Simply point your device and tap to measure distances and dimensions of various objects in your environment.

**Highlights:** Augmented reality measurement, Measure distances between points, Measure multiple objects, Surface detection, Intuitive tap interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CradleViewer free?

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

### Is AR Ruler Lite free?

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

### Which has better reviews, CradleViewer or AR Ruler Lite?

CradleViewer is rated higher. CradleViewer averages 5.0 out of 5 from 1 ratings, while AR Ruler Lite averages 1.7 from 3 ratings.

### Do CradleViewer or AR Ruler Lite have ads?

Neither CradleViewer nor AR Ruler Lite shows ads.

### Which is updated more often, CradleViewer or AR Ruler Lite?

CradleViewer ships an update every 4 months, and AR Ruler Lite every 2 days. Most recently, CradleViewer was updated on October 5, 2026 and AR Ruler Lite on October 11, 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.*