# AR Gravity vs Stars Units Sizes Objects

The clearest difference is rating: AR Gravity at 5.0 against Stars Units Sizes Objects's 4.3. AR Gravity also leads on ads (none vs shown) and monetization model (free vs ad-supported). Stars Units Sizes Objects's advantage is review sentiment (80% vs 67%). 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.

AR Gravity holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews complicate that: 67% of AR Gravity'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 | AR Gravity | Stars Units Sizes Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ar-gravity/id1546699976/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | 66.7% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 105 MB | 124 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vishnupra Ramu](https://appshunter.io/developer/1546648037) | [Mudarmeen Munlin](https://appshunter.io/developer/1348165664) |

## What reviewers say

### AR Gravity

[App page](https://appshunter.io/ios/app/ar-gravity/id1546699976)

Explore celestial bodies and their gravitational pull in your own space using augmented reality. Simulate the effects of stars, planets, and black holes to understand physics concepts.

**Highlights:** Augmented reality simulations, Simulate Sun, planets, and black holes, Experiment with light bending, Educational physics tool, Interactive celestial bodies

**Features:** macOS Compatibility

**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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AR Gravity free?

AR Gravity 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, AR Gravity or Stars Units Sizes Objects?

AR Gravity is rated higher. AR Gravity averages 5.0 out of 5 from 4 ratings, while Stars Units Sizes Objects averages 4.3 from 6 ratings.

### Do AR Gravity or Stars Units Sizes Objects have ads?

Stars Units Sizes Objects shows ads; AR Gravity 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.*