# Cosmology — Astronomy - Space Education

> Educational astronomy app with high-resolution space imagery and scientific explanations. (iPhone/iPad app by Aaron Day.)

- Source: https://appshunter.io/ios/app/cosmology/id1028872453 (this page in markdown: same URL + `.md`)
- Developer: [Aaron Day](https://appshunter.io/developer/1028872452)
- Category: Education, Reference
- Price: Free
- Rating: 4.70/5 from 505 App Store ratings · 44 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 190 MB
- Languages: American English
- Released: 2015-09-03
- Data updated: 2026-08-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cosmology/id1028872453/reviews.md

## What is Cosmology?

Explore the universe with 100s of high resolution images of planets, nebulae, galaxies, and more.  Travel through space, visiting every planet and their major moons. Learn about the creation of space, time, and matter, and their evolution into stars, galaxies, and planets in the present day. Ponder the deep, existential mysteries of the universe.

The story of creation is told by Dr. Aaron Day. Dr. Day earned his Ph.D. at the University of California, San Diego for research in cosmology.

## Key features

- 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

## What do users think of Cosmology?

Overall sentiment: positive

**Pros**

- 🌟 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
- 💰 Free application with comprehensive content
- 🔬 Expert-level scientific information
- 📱 Great for all ages (children and adults)
- ✨ Visually captivating and inspiring
- 🎬 Planetarium animation features

**Cons**

- 🐛 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)

**Commonly reported bugs**

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

**Most 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
- Alternative cosmological perspectives or viewpoints

## Recent user reviews (10 of 44)

All indexed reviews: https://appshunter.io/ios/app/cosmology/id1028872453/reviews.md

### 5/5 — Great app

*2026-08-11, version 2.1*

Informing all with the right quality

### 5/5 — Beautiful

*2026-03-20, version 2.1*

Enjoying the Cosmos

Captivated by the astounding beauty of the images of where we dwell in human bodies.

### 5/5 — Duneslight

*2026-03-18*

Never Sean before top one

### 5/5 — Thanks

*2024-10-21, version 2.1*

Thank You so much, with love!

### 5/5 — Cool

*2024-10-19, version 2.1*

This is the best app in the world

### 5/5 — Good

*2024-09-23, version 2.1*

Good

### 5/5 — Great

*2024-09-23, version 2.1*

This app just fuels my want to learn more about space.It helped me so much

### 5/5 — this app is amazing

*2024-02-24, version 2.1*

as a future astronomer this is such a useful on the go app! it teaches many things and is easy to use :)

### 1/5 — Earth is upside down.

*2024-02-01, version 2.1*

Earth is upside down... idiots.

### 4/5 — YOOOOOO

*2024-01-28, version 2.1*

YOOOOOOOOOOOOOOO

## Frequently asked questions about Cosmology

### What does the Cosmology app do?

This app allows users to explore the universe through hundreds of high-resolution images of celestial objects like planets, nebulae, and galaxies. It offers an educational journey through space, explaining the evolution of space, time, and matter.

### What are the key features of the Cosmology app?

Key features include high-resolution imagery of planets, nebulae, and galaxies, the ability to travel through space and visit planets and their moons, and educational content on the creation and evolution of the universe. The app also features narration by an expert in cosmology.

### Is the Cosmology app free to use?

Yes, the application is available for free. It does not feature in-app purchases or advertisements, allowing for an uninterrupted educational experience.

### Who is the narrator for the Cosmology app?

The story of creation and the scientific explanations within the app are narrated by Dr. Aaron Day. Dr. Day holds a Ph.D. in cosmology from the University of California, San Diego.

### What kind of content can I learn about in the Cosmology app?

You can learn about the creation of space, time, and matter, and how these elements evolved into stars, galaxies, and planets. The app also delves into the existential mysteries of the universe, providing an educational and thought-provoking experience.

## Version history (last 5 releases)

### 2.1 — 2020-10-16

We're working hard to give you a fun, fast, and bug-free experience. This version includes minor updates to the UI and bug fixes.

### 2.0.1 — 2020-05-21

We're working hard to give you a fun, fast, and bug-free experience. This version includes bug fixes.

### 2.0.0 — 2020-04-18

Cosmology has received a complete overhaul.
+ 3D interactive solar system
+ Educational videos
+ Entirely redesigned UI centered around a logarithmic model of the universe.
+ 100+ new images
+ Deeper narrative of the constituents, origins and fate of the universe

### 1.2.0 — 2015-10-14

New photos, including newly released high resolution images of Pluto and its moons
Added to the story of the Milky Way
Updated GUI

### 1.1.1 — 2015-09-18

Added support for iPhone

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## More apps by Aaron Day

- [Stellar Tour - AR Stargazer](https://appshunter.io/ios/app/stellar-tour-ar-stargazer/id1197929178)

All apps by Aaron Day: https://appshunter.io/developer/1028872452

## Related topics

[astrophysics](https://appshunter.io/ios/topics/astrophysics) · [notes from the universe](https://appshunter.io/ios/topics/notes-from-the-universe)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*