# Encyclopedia vs Live Poster

The clearest difference is review sentiment: Encyclopedia at 83% against Live Poster's 0%. Encyclopedia also leads on update cadence (monthly vs every 4 months). Live Poster's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 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. Live Poster asks for nothing beyond the download.

Encyclopedia ships an update monthly, Live Poster every 4 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Encyclopedia | Live Poster |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 322 MB | 290 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good Spider, LLC](https://appshunter.io/developer/1487595667) | [Altairika LLC](https://appshunter.io/developer/1726354695) |

## 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 |


### Live Poster

[App page](https://appshunter.io/ios/app/live-poster/id1453803162)

Explore the planets of our Solar System using augmented reality. Visualize celestial bodies in your environment and learn about their characteristics.

**Highlights:** Augmented reality planet visualization, Solar System exploration, Interactive learning, Educational content

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Encyclopedia free?

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

### Is Live Poster free?

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

### Do Encyclopedia or Live Poster have ads?

Neither Encyclopedia nor Live Poster shows ads.

### Which is updated more often, Encyclopedia or Live Poster?

Encyclopedia ships an update monthly, and Live Poster every 4 months. Most recently, Encyclopedia was updated on October 4, 2026 and Live Poster on October 12, 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.*