# Mars Walk VR vs VR Universe

The clearest difference is rating: VR Universe at 4.1 against Mars Walk VR's 2.5. VR Universe also leads on review sentiment (60% vs 43%). Mars Walk VR's advantage is update cadence (every 2 weeks vs every 5 months). On price, ratings volume, ads 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.

VR Universe holds the better App Store score, 4.1 against 2.5. Both are backed by a comparable volume of ratings — 31 and 30 respectively. Written reviews point the same way: 43% of Mars Walk VR's written reviews are positive against 60% of VR Universe's.

Mars Walk VR ships an update every 2 weeks, VR Universe every 5 months. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Mars Walk VR | VR Universe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (31 ratings)](https://appshunter.io/ios/app/mars-walk-vr/id1193339172/reviews) | **[4.1 (30 ratings)](https://appshunter.io/ios/app/vr-universe/id1516894338/reviews)** |
| Number of ratings | **31** | 30 |
| Positive reviews | 43.5% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 736 MB | 1.2 GB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lockheed Martin](https://appshunter.io/developer/400687539) | [Abacus](https://appshunter.io/developer/1486425022) |

## What reviewers say

### Mars Walk VR

[App page](https://appshunter.io/ios/app/mars-walk-vr/id1193339172)

Embark on an educational virtual reality tour of the red planet. Explore Martian landscapes, visit historic landing sites, and witness scientific instruments in action. This immersive experience brings the wonders of Mars directly to your smartphone.

**Highlights:** Explore Mars surface and landing sites, Experience Martian dust storms, Observe scientific instruments on Mars, Visit historic Viking landers, Follow Curiosity rover's sample collection

**In-app purchases:** none


### VR Universe

[App page](https://appshunter.io/ios/app/vr-universe/id1516894338)

Explore the universe with interactive augmented and virtual reality experiences. Learn about space, planets, and the International Space Station through hands-on projects like building a planetarium and launching a rocket. Bring educational content to life by holding your device over a special book.

**Highlights:** Augmented and virtual reality experiences, Interactive space exploration, Hands-on science projects, Learn about planets and the solar system, Bring educational content to life

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mars Walk VR free?

Mars Walk VR is free to download, with no in-app purchases.

### Is VR Universe free?

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

### Which has better reviews, Mars Walk VR or VR Universe?

VR Universe is rated higher. Mars Walk VR averages 2.5 out of 5 from 31 ratings, while VR Universe averages 4.1 from 30 ratings.

### Do Mars Walk VR or VR Universe have ads?

Neither Mars Walk VR nor VR Universe shows ads.

### Which is updated more often, Mars Walk VR or VR Universe?

Mars Walk VR ships an update every 2 weeks, and VR Universe every 5 months. Most recently, Mars Walk VR was updated on November 2, 2026 and VR Universe on November 9, 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.*