# Encyclopedia vs Нарны Аймаг

The clearest difference is in-app purchases: Нарны Аймаг at none against Encyclopedia's 1. Нарны Аймаг also leads on iOS requirement (13.0 vs 15.0). Encyclopedia's advantage is update cadence (every 3 weeks vs every 18 months). On price, ads and device support there is nothing between them.

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

Encyclopedia ships an update every 3 weeks, Нарны Аймаг every 18 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Encyclopedia | Нарны Аймаг |
| --- | --- | --- |
| 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 | **Every 3 weeks** | Every 18 months |
| Monetization | Free with in-app purchases | — |
| Size | 496 MB | 172 MB |
| Requires iOS | 15.0 | **13.0** |
| 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 |


### Нарны Аймаг

[App page](https://appshunter.io/ios/app/id1541809720)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Encyclopedia free?

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

### Is Нарны Аймаг free?

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

### Do Encyclopedia or Нарны Аймаг have ads?

Neither Encyclopedia nor Нарны Аймаг shows ads.

### Which is updated more often, Encyclopedia or Нарны Аймаг?

Encyclopedia ships an update every 3 weeks, and Нарны Аймаг every 18 months. Most recently, Encyclopedia was updated on October 24, 2026 and Нарны Аймаг on October 25, 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.*