# Encyclopedia vs My Solar System

The clearest difference is rating: Encyclopedia at 3.8 against My Solar System's 2.4. Encyclopedia also leads on review sentiment (83% vs 42%). My Solar System's advantage is in-app purchases (none vs 1) and iOS requirement (9.3 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Encyclopedia sells 1 one-off in-app purchase. My Solar System asks for nothing beyond the download.

Encyclopedia holds the better App Store score, 3.8 against 2.4. Both are backed by a comparable volume of ratings — 14 and 24 respectively. Written reviews point the same way: 83% of Encyclopedia's written reviews are positive against 42% of My Solar System's.

## The numbers

| Metric | Encyclopedia | My Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (14 ratings)](https://appshunter.io/ios/app/encyclopedia-solar-system/id1124568774/reviews)** | [2.4 (24 ratings)](https://appshunter.io/ios/app/my-solar-system/id1150230308/reviews) |
| Number of ratings | 14 | **24** |
| Positive reviews | **83.3% of reviews** | 41.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 496 MB | 33 MB |
| Requires iOS | 15.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good Spider, LLC](https://appshunter.io/developer/1487595667) | [ALEXANDER SKALOV](https://appshunter.io/developer/1074092322) |

## What reviewers say

### Encyclopedia

[App page](https://appshunter.io/ios/app/encyclopedia-solar-system/id1124568774)

Explore the solar system with extensive articles and high-definition images. This app offers comprehensive information, engaging content, and a user-friendly interface, making it suitable for both children and adults interested in space.

**Highlights:** Thousands of articles and HD photos, Comprehensive solar system information, Engaging and easy-to-understand content, Offline availability, Badge collection for reading, Intuitive user interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


### My Solar System

[App page](https://appshunter.io/ios/app/my-solar-system/id1150230308)

Become the creator of the universe by placing planets in their correct orbits. Experience the forces of gravity as planets interact with each other and the sun. Test your knowledge of planetary order and aim for a high score in this educational simulation.

**Highlights:** Create and place planets, Simulate gravity between celestial bodies, Observe planetary orbits, Test knowledge of planet order, Score-based progression

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Encyclopedia free?

Encyclopedia is free to download, with in-app purchases available.

### Is My Solar System free?

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

### Which has better reviews, Encyclopedia or My Solar System?

Encyclopedia is rated higher. Encyclopedia averages 3.8 out of 5 from 14 ratings, while My Solar System averages 2.4 from 24 ratings.

### Do Encyclopedia or My Solar System have ads?

Neither Encyclopedia nor My Solar System shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*