# Encyclopedia vs AR

The clearest difference is in-app purchases: AR at none against Encyclopedia's 1. AR also leads on update cadence (every 11 days vs monthly) and iOS requirement (10.0 vs 15.0). On price, ads and device support there is nothing between them.

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

Encyclopedia ships an update monthly, AR every 11 days. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Encyclopedia | AR |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 322 MB | 168 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) | [Batzorig Nyamdeleg](https://appshunter.io/developer/1048907258) |

## 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 |


### AR

[App page](https://appshunter.io/ios/app/ar-solar/id1439890118)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Encyclopedia free?

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

### Is AR free?

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

### Do Encyclopedia or AR have ads?

Neither Encyclopedia nor AR shows ads.

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

Encyclopedia ships an update monthly, and AR every 11 days. Most recently, Encyclopedia was updated on October 4, 2026 and AR on October 3, 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.*