# Stars Units Sizes Objects vs ScaleWalk

The clearest difference is rating: Stars Units Sizes Objects at 4.3 against ScaleWalk's 3.0. Stars Units Sizes Objects also leads on ratings volume (6 vs 1) and iOS requirement (11.0 vs 13.0). ScaleWalk's advantage is ads (none vs shown). 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.

Stars Units Sizes Objects holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Stars Units Sizes Objects has 6 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Stars Units Sizes Objects | ScaleWalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/scalewalk/id6793884701/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Ad-supported | — |
| Size | 124 MB | 21 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mudarmeen Munlin](https://appshunter.io/developer/1348165664) | [Dieu Hien Nguyen Thi](https://appshunter.io/developer/6774980481) |

## What reviewers say

### Stars Units Sizes Objects

[App page](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571)

Explore the vastness of the universe, from the smallest particles to the largest cosmic structures. Compare object sizes, view detailed images, and perform unit conversions across a wide range of astronomical scales. Learn about stars, galaxies, and the incredible distances between them.

**Highlights:** Compare object sizes, View object images, Pinch/Zoom and Pan images, Unit conversion for distances, Explore scales from Planck length to observable universe, Learn about stars and galaxies

**Features:** macOS Compatibility

**In-app purchases:** none


### ScaleWalk

[App page](https://appshunter.io/ios/app/scalewalk/id6793884701)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stars Units Sizes Objects free?

Stars Units Sizes Objects is free to download, with no in-app purchases.

### Is ScaleWalk free?

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

### Which has better reviews, Stars Units Sizes Objects or ScaleWalk?

Stars Units Sizes Objects is rated higher. Stars Units Sizes Objects averages 4.3 out of 5 from 6 ratings, while ScaleWalk averages 3.0 from 1 ratings.

### Do Stars Units Sizes Objects or ScaleWalk have ads?

Stars Units Sizes Objects shows ads; ScaleWalk does not.

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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.*