# Cosmology vs Pocket Planets

The clearest difference is ads: Cosmology at none against Pocket Planets's shown. Cosmology also leads on review sentiment (89% vs 67%) and ratings volume (505 vs 22). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for Cosmology against 4.6 for Pocket Planets. That said, the two scores are not equally well evidenced: Cosmology has 505 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 89% of Cosmology's written reviews are positive against 67% of Pocket Planets's.

Cosmology ships an update monthly, Pocket Planets every 3 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Cosmology | Pocket Planets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (505 ratings)](https://appshunter.io/ios/app/cosmology/id1028872453/reviews)** | [4.6 (22 ratings)](https://appshunter.io/ios/app/pocket-planets/id1496547610/reviews) |
| Number of ratings | **505** | 22 |
| Positive reviews | **88.6% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 190 MB | 66 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Day](https://appshunter.io/developer/1028872452) | [Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1496547609) |

## What reviewers say

### Cosmology

[App page](https://appshunter.io/ios/app/cosmology/id1028872453)

Explore the universe with stunning high-resolution images of celestial bodies. Journey through space, visiting planets and their moons, while learning about the evolution of space, time, and matter. Ponder the profound mysteries of existence.

**Highlights:** High-resolution images of planets, nebulae, and galaxies, Interactive space travel to planets and moons, Learn about the evolution of space, time, and matter, Expert narration by Dr. Aaron Day, Exploration of existential mysteries of the universe

**In-app purchases:** none

**What reviewers like**

- 🌟 Stunning, beautiful astrophotography images
- 📚 Educational content about space and universe
- 👍 Easy to use and understand interface
- 🎥 Informative videos and interactive features
- 🗺️ Interactive map for exploring cosmic scales

**What reviewers complain about**

- 🐛 Image interference/technical glitches
- 📖 Shallow explanations for non-experts
- ⚠️ Limited educational depth compared to NASA app
- 🤔 Big Bang theory focus may conflict with religious beliefs
- ❌ Incomplete sections (Milky Way, Island Universe)

**Reported bugs**

- Image display interference/hacking concerns
- App feels incomplete in certain sections

**Requested features**

- More interactive activities and engagement features
- Text-to-speech functionality
- More detailed explanations for beginner-level users
- Additional sub-categories and content sections
- Regular updates with current astronomical images


### Pocket Planets

[App page](https://appshunter.io/ios/app/pocket-planets/id1496547610)

Explore our solar system with detailed information on planets, moons, and astronauts. Track who is currently in space and receive notifications for new launches. Access NASA images and compare celestial body characteristics.

**Highlights:** Detailed planet and moon data, Astronaut information and missions, Real-time space occupancy, Launch notifications, NASA image gallery, Celestial body comparisons

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

**In-app purchases:** none


## Frequently asked questions

### Is Cosmology free?

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

### Is Pocket Planets free?

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

### Which has better reviews, Cosmology or Pocket Planets?

Cosmology is rated higher. Cosmology averages 4.7 out of 5 from 505 ratings, while Pocket Planets averages 4.6 from 22 ratings.

### Do Cosmology or Pocket Planets have ads?

Pocket Planets shows ads; Cosmology does not.

### Which is updated more often, Cosmology or Pocket Planets?

Cosmology ships an update monthly, and Pocket Planets every 3 weeks. Most recently, Cosmology was updated on October 15, 2026 and Pocket Planets on October 11, 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.*