# Mars Book vs CloudLabs The Solar System

Mars Book and CloudLabs The Solar System are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Mars Book | CloudLabs The Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/cloudlabs-the-solar-system/id1636759151/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | — |
| Monetization | — | Free |
| Size | 14 MB | 183 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vixen Co.,Ltd.](https://appshunter.io/developer/536188843) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Mars Book

[App page](https://appshunter.io/ios/app/mars-book/id1342509724)

**In-app purchases:** none


### CloudLabs The Solar System

[App page](https://appshunter.io/ios/app/cloudlabs-the-solar-system/id1636759151)

Create and observe your own solar system with this interactive simulation. Configure stars, planets, and orbits to learn about celestial mechanics. Watch your custom solar system come to life.

**Highlights:** Configure solar system parameters, Select main star properties, Establish planet orbits, Observe planetary motion, Interactive simulation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mars Book free?

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

### Is CloudLabs The Solar System free?

CloudLabs The Solar System is free to download, with no in-app purchases.

### Do Mars Book or CloudLabs The Solar System have ads?

Neither Mars Book nor CloudLabs The Solar System shows ads.

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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.*