# Mars Walk vs Saturn

The clearest difference is rating: Saturn at 5.0 against Mars Walk's 3.9. Mars Walk's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Saturn sells 1 one-off in-app purchase. Mars Walk asks for nothing beyond the download.

Saturn holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Mars Walk has 34 ratings behind it against 1, so its average is the more settled of the two.

Mars Walk ships an update every 2 weeks, Saturn every 10 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mars Walk | Saturn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (34 ratings)](https://appshunter.io/ios/app/mars-walk/id1192328042/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/saturn-cassini/id1567740684/reviews)** |
| Number of ratings | **34** | 1 |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 732 MB | 74 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Lockheed Martin](https://appshunter.io/developer/400687539) | [Alparslan Topbas](https://appshunter.io/developer/1130875171) |

## What reviewers say

### Mars Walk

[App page](https://appshunter.io/ios/app/mars-walk/id1192328042)

Embark on an interactive virtual reality tour of the red planet using your smartphone. Explore famous landing sites, witness Martian phenomena like dust storms, and observe scientific missions in action. This educational adventure brings the wonders of Mars directly to you.

**Highlights:** Explore Mars landing sites (InSight, Viking, Curiosity), Experience Martian dust storms, Observe InSight's data gathering, Visit Viking landers, Follow Curiosity's sample collection

**Features:** macOS Compatibility

**In-app purchases:** none


### Saturn

[App page](https://appshunter.io/ios/app/saturn-cassini/id1567740684)

Explore stunning high-definition images and videos of Saturn and its moons. This app offers interactive 3D models and detailed insights into the Cassini mission. Perfect for space enthusiasts and students.

**Highlights:** Browse hundreds of stunning photos with detailed insights, Cinematic slideshow for an immersive orbiting experience, Interactive gallery with high-resolution zoom, Watch historic Cassini-Huygens mission videos, Explore interactive 3D models of the Saturn system, Modern glassmorphism UI with dark mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Mars Walk free?

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

### Is Saturn free?

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

### Which has better reviews, Mars Walk or Saturn?

Saturn is rated higher. Mars Walk averages 3.9 out of 5 from 34 ratings, while Saturn averages 5.0 from 1 ratings.

### Do Mars Walk or Saturn have ads?

Saturn shows ads; Mars Walk does not.

### Which is updated more often, Mars Walk or Saturn?

Mars Walk ships an update every 2 weeks, and Saturn every 10 months. Most recently, Mars Walk was updated on November 2, 2026 and Saturn on November 3, 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.*