# Cosmology vs Univerzoom 3D

The clearest difference is price: Cosmology at Free against Univerzoom 3D's $2.99. Cosmology also leads on iOS requirement (11.0 vs 15.0). Univerzoom 3D's advantage is review sentiment (97% vs 89%). On rating, ratings volume, update cadence and ads there is nothing between them.

Cosmology is free to download; Univerzoom 3D costs $2.99 up front. 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 4.8 for Univerzoom 3D. Both are backed by a comparable volume of ratings — 505 and 289 respectively. Written reviews are what separate them: 89% of Cosmology's written reviews are positive against 97% of Univerzoom 3D's.

Cosmology ships an update monthly, Univerzoom 3D every 2 months. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Cosmology | Univerzoom 3D |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.7 (505 ratings)](https://appshunter.io/ios/app/cosmology/id1028872453/reviews) | **[4.8 (289 ratings)](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156/reviews)** |
| Number of ratings | **505** | 289 |
| Positive reviews | 88.6% of reviews | **97.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 190 MB | 255 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Day](https://appshunter.io/developer/1028872452) | [Linda Schnetzinger](https://appshunter.io/developer/1479825448) |

## 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


### Univerzoom 3D

[App page](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156)

Explore the vastness of the universe and the intricacies of the microcosmos with intuitive touch controls. Compare celestial bodies, everyday objects, and subatomic particles to grasp their true scale. Discover fascinating facts and learn about the cosmos and beyond.

**Highlights:** Intuitive gesture-based scaling, Explore universe to atomic levels, Compare sizes of diverse objects, Learn facts about celestial bodies, Text-to-Speech for facts, External resource links

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cosmology free?

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

### Is Univerzoom 3D free?

Univerzoom 3D costs $2.99, with no in-app purchases.

### Which has better reviews, Cosmology or Univerzoom 3D?

Univerzoom 3D is rated higher. Cosmology averages 4.7 out of 5 from 505 ratings, while Univerzoom 3D averages 4.8 from 289 ratings.

### Do Cosmology or Univerzoom 3D have ads?

Neither Cosmology nor Univerzoom 3D shows ads.

### Which is updated more often, Cosmology or Univerzoom 3D?

Cosmology ships an update monthly, and Univerzoom 3D every 2 months. Most recently, Cosmology was updated on October 15, 2026 and Univerzoom 3D on October 21, 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.*