# Universe Maker vs Stars Units Sizes Objects

The clearest difference is ads: Universe Maker at none against Stars Units Sizes Objects's shown. Universe Maker also leads on review sentiment (100% vs 80%) and monetization model (free vs ad-supported). Stars Units Sizes Objects's advantage is rating (4.3 vs 4.0). On price, ratings volume, 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 4.0. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews complicate that: 100% of Universe Maker's written reviews are positive against 80% of Stars Units Sizes Objects's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | Universe Maker | Stars Units Sizes Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (11 ratings)](https://appshunter.io/ios/app/universe-maker/id1039695856/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571/reviews)** |
| Number of ratings | **11** | 6 |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 2 MB | 124 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Leet](https://appshunter.io/developer/1018548001) | [Mudarmeen Munlin](https://appshunter.io/developer/1348165664) |

## What reviewers say

### Universe Maker

[App page](https://appshunter.io/ios/app/universe-maker/id1039695856)

Explore the potential histories and futures of a universe by adjusting its fundamental components. This educational tool allows users to experiment with radiation, matter, and dark energy to observe how these elements influence cosmic evolution.

**Highlights:** Simulate universe histories and futures, Tinker with universe composition, Observe cosmic evolution, Experiment with radiation, matter, and dark energy

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Universe Maker free?

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

### Is Stars Units Sizes Objects free?

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

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

Stars Units Sizes Objects is rated higher. Universe Maker averages 4.0 out of 5 from 11 ratings, while Stars Units Sizes Objects averages 4.3 from 6 ratings.

### Do Universe Maker or Stars Units Sizes Objects have ads?

Stars Units Sizes Objects shows ads; Universe Maker 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.*