# Encyclopedia vs Planets AR

The clearest difference is ads: Encyclopedia at none against Planets AR's shown. Planets AR's advantage is update cadence (daily vs every 3 weeks) and review sentiment (100% vs 83%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Encyclopedia sells 1 one-off in-app purchase and Planets AR sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.8 for Encyclopedia against 3.7 for Planets AR. Both are backed by a comparable volume of ratings — 14 and 6 respectively. Written reviews are what separate them: 83% of Encyclopedia's written reviews are positive against 100% of Planets AR's.

Encyclopedia ships an update every 3 weeks, Planets AR daily. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Encyclopedia | Planets AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (14 ratings)](https://appshunter.io/ios/app/encyclopedia-solar-system/id1124568774/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/planets-ar-our-solar-system/id6483760783/reviews) |
| Number of ratings | **14** | 6 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 496 MB | 343 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good Spider, LLC](https://appshunter.io/developer/1487595667) | [Mayank Raj](https://appshunter.io/developer/1740256034) |

## 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 |


### Planets AR

[App page](https://appshunter.io/ios/app/planets-ar-our-solar-system/id6483760783)

Explore our solar system with an augmented reality experience. See planets, moons, and dwarf planets come to life in your room or the night sky. Learn fascinating facts and take photos for school projects.

**Highlights:** Augmented Reality solar system visualization, Interactive planet controls, Night mode for stargazing, Detailed planet information, Capture photos of celestial bodies, Talking planets for guidance

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Encyclopedia free?

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

### Is Planets AR free?

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

### Which has better reviews, Encyclopedia or Planets AR?

Encyclopedia is rated higher. Encyclopedia averages 3.8 out of 5 from 14 ratings, while Planets AR averages 3.7 from 6 ratings.

### Do Encyclopedia or Planets AR have ads?

Planets AR shows ads; Encyclopedia does not.

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

Encyclopedia ships an update every 3 weeks, and Planets AR daily. Most recently, Encyclopedia was updated on October 24, 2026 and Planets AR on October 20, 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.*