# Solar System Scope vs Earth Rotation

The clearest difference is price: Solar System Scope at Free against Earth Rotation's $0.99. Solar System Scope also leads on update cadence (every 4 months vs every 22 months) and ratings volume (894 vs 1). Earth Rotation's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Solar System Scope is free to download; Earth Rotation costs $0.99 up front. Solar System Scope sells 1 one-off in-app purchase. Earth Rotation asks for nothing beyond the download.

Earth Rotation holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Solar System Scope has 894 ratings behind it against 1, so its average is the more settled of the two.

Solar System Scope ships an update every 4 months, Earth Rotation every 22 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Solar System Scope | Earth Rotation |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.4 (894 ratings)](https://appshunter.io/ios/app/solar-system-scope/id863969175/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earth-rotation/id1610455878/reviews)** |
| Number of ratings | **894** | 1 |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 22 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 154 MB | 46 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [INOVE, s.r.o.](https://appshunter.io/developer/863969178) | [Masahiro Tomosada](https://appshunter.io/developer/1587710118) |

## What reviewers say

### Solar System Scope

[App page](https://appshunter.io/ios/app/solar-system-scope/id863969175)

Explore and discover the solar system and outer space with realistic 3D visualizations and detailed celestial simulations. This app offers an educational and engaging experience for all ages, featuring a comprehensive encyclopedia and a night sky observatory.

**Highlights:** 3D Encyclopedia of celestial bodies, Realistic 3D visualizations, Night sky observatory with time simulation, Accurate orbital parameter calculations, High-quality planetary and moon maps, Multilingual support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HQ Textures / No Ads | $5.99 | one-time |

**What reviewers like**

- 🚀 Amazing app
- 👍 Great for learning about space
- 🌟 Beautifully created
- 🔭 Realistic and detailed
- 🎓 Excellent for education

**What reviewers complain about**

- 🐛 Crashes frequently
- 🔀 Orientation issues
- 🔒 Upgrade required for full functionality
- 🕰️ Difficulty pinpointing specific dates

**Reported bugs**

- Crashes when dragging Jupiter
- Upside-down orientation on tablets
- Unable to restore purchases
- Freezes and crashes on launch

**Requested features**

- Add more celestial bodies (Messier objects, Planet 9/10, black holes, etc.)
- Enable exploration of other galaxies and deep space objects
- Improve telescope/zoom functionality
- Add more moons and irregular satellites
- Implement continental drift and solar system evolution


### Earth Rotation

[App page](https://appshunter.io/ios/app/earth-rotation/id1610455878)

Explore a 3D simulation of celestial bodies. Adjust rotation speeds, reverse direction, and alter lighting angles. Choose from three distinct Earth visual styles for an interactive learning experience.

**Highlights:** Adjustable rotation speed, Reverse rotation direction, Adjustable sun lighting angle, Three Earth visual styles, 3D celestial animation

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar System Scope free?

Solar System Scope is free to download, with in-app purchases available.

### Is Earth Rotation free?

Earth Rotation costs $0.99, with no in-app purchases.

### Which has better reviews, Solar System Scope or Earth Rotation?

Earth Rotation is rated higher. Solar System Scope averages 4.4 out of 5 from 894 ratings, while Earth Rotation averages 5.0 from 1 ratings.

### Do Solar System Scope or Earth Rotation have ads?

Neither Solar System Scope nor Earth Rotation shows ads.

### Which is updated more often, Solar System Scope or Earth Rotation?

Solar System Scope ships an update every 4 months, and Earth Rotation every 22 months. Most recently, Solar System Scope was updated on October 24, 2026 and Earth Rotation on October 8, 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.*