# Cosmopedia vs Octahub+

The clearest difference is in-app purchases: Octahub+ at none against Cosmopedia's 1. Octahub+ also leads on ads (none vs shown) and update cadence (weekly vs fortnightly). Cosmopedia's advantage is iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Cosmopedia sells 1 one-off in-app purchase. Octahub+ asks for nothing beyond the download.

Cosmopedia ships an update fortnightly, Octahub+ weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Cosmopedia | Octahub+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cosmopedia/id6754519130/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Retirame](https://appshunter.io/developer/1638224283) | [Octagonware UG (haftungsbeschränkt)](https://appshunter.io/developer/1850476488) |

## What reviewers say

### Cosmopedia

[App page](https://appshunter.io/ios/app/cosmopedia/id6754519130)

Explore the universe with interactive lessons, stunning visuals, and fascinating facts about planets, galaxies, and cosmic phenomena. This educational app makes learning about space an immersive and engaging experience for all ages.

**Highlights:** Interactive space lessons, Visual comparisons of celestial bodies, Scientific curiosities and thought experiments, Narrated cosmic explorations, Learn about solar system and deep space, Explore dark matter and relativity

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Paquete premium | $1.99 | one-time |


### Octahub+

[App page](https://appshunter.io/ios/app/octahub-plus/id6754847788)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cosmopedia free?

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

### Is Octahub+ free?

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

### Do Cosmopedia or Octahub+ have ads?

Cosmopedia shows ads; Octahub+ does not.

### Which is updated more often, Cosmopedia or Octahub+?

Cosmopedia ships an update fortnightly, and Octahub+ weekly. Most recently, Cosmopedia was updated on October 30, 2026 and Octahub+ on October 30, 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.*