# NASA Visualization Explorer vs OLogy

The clearest difference is review sentiment: OLogy at 100% against NASA Visualization Explorer's 50%. OLogy also leads on rating (4.6 vs 3.2). NASA Visualization Explorer's advantage is update cadence (every 3 months vs every 14 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OLogy holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 89 and 26 respectively. Written reviews point the same way: 50% of NASA Visualization Explorer's written reviews are positive against 100% of OLogy's.

NASA Visualization Explorer ships an update every 3 months, OLogy every 14 months. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | NASA Visualization Explorer | OLogy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (89 ratings)](https://appshunter.io/ios/app/nasa-visualization-explorer/id448700202/reviews) | **[4.6 (26 ratings)](https://appshunter.io/ios/app/ology-science-for-kids/id1512196504/reviews)** |
| Number of ratings | **89** | 26 |
| Positive reviews | 49.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | Free | Free |
| Size | 35 MB | 320 MB |
| Requires iOS | **6.1** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [American Museum of Natural History](https://appshunter.io/developer/351849240) |

## 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


### OLogy

[App page](https://appshunter.io/ios/app/ology-science-for-kids/id1512196504)

Explore science through engaging games, videos, and articles developed by museum educators and scientists. Discover topics from paleontology to astronomy with interactive activities.

**Highlights:** Interactive science games, Educational videos, Informative articles, Topics from Archaeology to Zoology, Developed by museum educators, Trusted by teachers

**In-app purchases:** none


## Frequently asked questions

### Is NASA Visualization Explorer free?

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

### Is OLogy free?

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

### Which has better reviews, NASA Visualization Explorer or OLogy?

OLogy is rated higher. NASA Visualization Explorer averages 3.2 out of 5 from 89 ratings, while OLogy averages 4.6 from 26 ratings.

### Do NASA Visualization Explorer or OLogy have ads?

Neither NASA Visualization Explorer nor OLogy shows ads.

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

NASA Visualization Explorer ships an update every 3 months, and OLogy every 14 months. Most recently, NASA Visualization Explorer was updated on November 10, 2026 and OLogy on November 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.*