# NASA Visualization Explorer vs Galaxy Map

The clearest difference is rating: Galaxy Map at 4.6 against NASA Visualization Explorer's 3.3. Galaxy Map also leads on review sentiment (80% vs 51%) and update cadence (monthly vs every 3 months). NASA Visualization Explorer's advantage is in-app purchases (none vs 13) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Galaxy Map sells 13 one-off in-app purchases. NASA Visualization Explorer asks for nothing beyond the download.

Galaxy Map holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: Galaxy Map has 609 ratings behind it against 86, so its average is the more settled of the two. Written reviews point the same way: 51% of NASA Visualization Explorer's written reviews are positive against 80% of Galaxy Map's.

NASA Visualization Explorer ships an update every 3 months, Galaxy Map monthly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | NASA Visualization Explorer | Galaxy Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (86 ratings)](https://appshunter.io/ios/app/nasa-visualization-explorer/id448700202/reviews) | **[4.6 (609 ratings)](https://appshunter.io/ios/app/galaxy-map/id1170905456/reviews)** |
| Number of ratings | 86 | **609** |
| Positive reviews | 50.7% of reviews | **79.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 601 MB |
| Requires iOS | **6.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [Andrei Nistorescu](https://appshunter.io/developer/1048905386) |

## What reviewers say

### NASA Visualization Explorer

[App page](https://appshunter.io/ios/app/nasa-visualization-explorer/id448700202)

Explore advanced space-based research through engaging stories and stunning visualizations. See Earth from new perspectives and journey to distant locations through a direct connection to NASA's research spacecraft. Discover cutting-edge science delivered weekly to your device.

**Highlights:** Advanced space-based research stories, Cutting-edge research visualizations, View Earth from new perspectives, Travel to inaccessible locations, New stories updated weekly

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Stunning visuals
- 🔍 Informative content
- 👍 Easy to navigate
- 🤓 Great for science enthusiasts

**What reviewers complain about**

- 🐛 Frequent crashes
- ⏱️ Slow loading times
- 🔒 Requires account sign-in
- 💤 Lack of new content updates

**Reported bugs**

- Freezing on tutorial screen
- Incompatibility with iOS 10+
- Video playback issues
- Unreliable server connectivity

**Requested features**

- Offline content viewing
- Interactive data visualizations
- Support for older devices
- Customizable notification settings


### Galaxy Map

[App page](https://appshunter.io/ios/app/galaxy-map/id1170905456)

Explore the Milky Way and Andromeda galaxies in an interactive 3D map. Discover nebulae, supernovae, and planets, with stunning visuals based on NASA data. Ideal for education and space enthusiasts.

**Highlights:** Interactive 3D galaxy map, Explore nebulae and supernovae, Fly through planetary atmospheres, Land on planets, Based on NASA data, Available in 100+ languages

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy ship - Alien Destroyer | $0.99 | one-time |
| Buy ship - Alien fighter | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| Buy ship - Alien Destroyer | $1.99 | one-time |
| Buy ship - Alien fighter | $1.99 | one-time |
| 3D Visualization Pack | $1.99 | one-time |
| Buy ship - Dragon Frigate | $1.99 | one-time |
| Essentials bundle - SALE | $2.99 | one-time |
| Remove ads | $3.99 | one-time |
| 3D Visualization Pack | $3.99 | one-time |
| Ultimate bundle - SALE | $4.99 | one-time |
| Essentials bundle | $4.99 | one-time |
| Ultimate bundle | $8.99 | one-time |

**What reviewers like**

- 🌌 Impressive 3D galaxy and nebula visualizations
- 🚀 Spaceship exploration feature with landing capability
- 📚 Educational content about space and astronomy
- 🎮 Fun and engaging gameplay mechanics
- ✨ No ads in free version

**What reviewers complain about**

- 💰 Excessive paywall for most content
- 🐛 App crashes and fails to load
- 🎮 Poor control mechanics for flying and walking
- 🔍 Lack of zoom functionality or unclear controls
- 🌑 Black holes look too similar to each other

**Reported bugs**

- App crashes on startup
- Explore button shows nothing
- Pinch-to-zoom doesn't work
- App won't load on iPad
- Text displays as boxes in language settings

**Requested features**

- Search button to find galaxies and objects
- More diverse and realistic black hole designs
- AR feature to identify stars/planets in real sky
- More free content and objects
- Exoplanet additions (TRAPPIST-1e, J1407B)


## Frequently asked questions

### Is NASA Visualization Explorer free?

NASA Visualization Explorer is free to download, with no in-app purchases.

### Is Galaxy Map free?

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

### Which has better reviews, NASA Visualization Explorer or Galaxy Map?

Galaxy Map is rated higher. NASA Visualization Explorer averages 3.3 out of 5 from 86 ratings, while Galaxy Map averages 4.6 from 609 ratings.

### Do NASA Visualization Explorer or Galaxy Map have ads?

Galaxy Map shows ads; NASA Visualization Explorer does not.

### Which is updated more often, NASA Visualization Explorer or Galaxy Map?

NASA Visualization Explorer ships an update every 3 months, and Galaxy Map monthly. Most recently, NASA Visualization Explorer was updated on October 7, 2026 and Galaxy Map 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.*