# Encyclopedia vs Solary

The clearest difference is review sentiment: Solary at 100% against Encyclopedia's 83%. Solary also leads on update cadence (every 30 months vs every 62 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Encyclopedia sells 1 one-off in-app purchase and Solary sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Encyclopedia ships an update every 62 months, Solary every 30 months. The most recent releases landed on September 3, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Encyclopedia | Solary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (14 ratings)](https://appshunter.io/ios/app/encyclopedia-solar-system/id1124568774/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 62 months | **Every 30 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 322 MB | 109 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good Spider, LLC](https://appshunter.io/developer/1487595667) | [Gyorgy Borz](https://appshunter.io/developer/1491605324) |

## 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 |


### Solary

[App page](https://appshunter.io/ios/app/solary/id1517004737)

Explore our solar system in augmented reality. View individual planets or the entire system in orbit. Interact with celestial bodies by rotating, scaling, and repositioning them. Enhance your experience with a galaxy background.

**Highlights:** Augmented reality solar system exploration, View individual planets or the full system, Interactive planet controls (rotate, scale, move), Adjustable rotation animations, Galaxy background option

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Big tip | $1.99 | one-time |
| Giant tip | $2.99 | one-time |


## Frequently asked questions

### Is Encyclopedia free?

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

### Is Solary free?

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

### Do Encyclopedia or Solary have ads?

Neither Encyclopedia nor Solary shows ads.

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

Encyclopedia ships an update every 62 months, and Solary every 30 months. Most recently, Encyclopedia was updated on September 3, 2026 and Solary on June 1, 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.*