# CradleViewer vs Unit and Value Converter

The clearest difference is rating: CradleViewer at 5.0 against Unit and Value Converter's 4.3. CradleViewer also leads on ads (none vs shown) and monetization model (free vs ad-supported). Unit and Value Converter's advantage is update cadence (every 9 days vs every 4 months) and ratings volume (24 vs 1). On price, 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.

CradleViewer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Unit and Value Converter has 24 ratings behind it against 1, so its average is the more settled of the two.

CradleViewer ships an update every 4 months, Unit and Value Converter every 9 days. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | CradleViewer | Unit and Value Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cradleviewer/id1207997595/reviews)** | [4.3 (24 ratings)](https://appshunter.io/ios/app/unit-and-value-converter/id1590208205/reviews) |
| Number of ratings | 1 | **24** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | **Free** | Ad-supported |
| Size | 20 MB | 32 MB |
| Requires iOS | **9.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Software Cradle Co., Ltd.](https://appshunter.io/developer/1207997594) | [Matheus Estoque](https://appshunter.io/developer/1589462723) |

## 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


### Unit and Value Converter

[App page](https://appshunter.io/ios/app/unit-and-value-converter/id1590208205)

Easily convert between various measurement systems for everyday tasks. This app offers fast, accurate conversions for speed, weight, and distance, with a history of your calculations. It's a simple, lightweight tool for travelers, students, and anyone needing to understand different units.

**Highlights:** Converts speed, weight, and distance, Intuitive interface, History of recent calculations, Automatic result updates, Lightweight and simple

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

**In-app purchases:** none


## Frequently asked questions

### Is CradleViewer free?

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

### Is Unit and Value Converter free?

Unit and Value Converter is free to download, with no in-app purchases.

### Which has better reviews, CradleViewer or Unit and Value Converter?

CradleViewer is rated higher. CradleViewer averages 5.0 out of 5 from 1 ratings, while Unit and Value Converter averages 4.3 from 24 ratings.

### Do CradleViewer or Unit and Value Converter have ads?

Unit and Value Converter shows ads; CradleViewer does not.

### Which is updated more often, CradleViewer or Unit and Value Converter?

CradleViewer ships an update every 4 months, and Unit and Value Converter every 9 days. Most recently, CradleViewer was updated on October 5, 2026 and Unit and Value Converter on October 18, 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.*