# Encyclopedia vs Orbits

The clearest difference is rating: Orbits at 4.6 against Encyclopedia's 3.8. Orbits also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs monthly). 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. Orbits asks for nothing beyond the download.

Orbits holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 14 and 7 respectively.

Encyclopedia ships an update monthly, Orbits every 2 weeks. The most recent releases landed on October 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Encyclopedia | Orbits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (14 ratings)](https://appshunter.io/ios/app/encyclopedia-solar-system/id1124568774/reviews) | **[4.6 (7 ratings)](https://appshunter.io/ios/app/orbits-a-planet-tracker/id1220543514/reviews)** |
| Number of ratings | **14** | 7 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 322 MB | 251 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good Spider, LLC](https://appshunter.io/developer/1487595667) | [Brandon Slaght](https://appshunter.io/developer/1220543513) |

## 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 |


### Orbits

[App page](https://appshunter.io/ios/app/orbits-a-planet-tracker/id1220543514)

Explore planets and moons in stunning detail with high-resolution 3D maps and images. Access comprehensive scientific data on geology and orbits, alongside in-depth articles and curated resources for a complete understanding of our solar system.

**Highlights:** 3D high-resolution planet and moon maps, Detailed geology and orbit information, High-resolution images with captions, In-depth articles on planets and moons, Curated external information sources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Encyclopedia free?

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

### Is Orbits free?

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

### Which has better reviews, Encyclopedia or Orbits?

Orbits is rated higher. Encyclopedia averages 3.8 out of 5 from 14 ratings, while Orbits averages 4.6 from 7 ratings.

### Do Encyclopedia or Orbits have ads?

Neither Encyclopedia nor Orbits shows ads.

### Which is updated more often, Encyclopedia or Orbits?

Encyclopedia ships an update monthly, and Orbits every 2 weeks. Most recently, Encyclopedia was updated on October 4, 2026 and Orbits on September 24, 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.*