# SystemeSolaire vs Saturn

The clearest difference is price: Saturn at Free against SystemeSolaire's $1.99. Saturn also leads on update cadence (every 10 months vs every 55 months). SystemeSolaire's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Saturn is free to download; SystemeSolaire costs $1.99 up front. Saturn sells 1 one-off in-app purchase. SystemeSolaire asks for nothing beyond the download.

SystemeSolaire ships an update every 55 months, Saturn every 10 months. The most recent releases landed on October 28, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SystemeSolaire | Saturn |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/saturn-cassini/id1567740684/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 55 months | **Every 10 months** |
| Monetization | — | Free with in-app purchases |
| Size | 596 MB | 74 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [NMS Narcisse Mavoha Solutions Sarl](https://appshunter.io/developer/963941606) | [Alparslan Topbas](https://appshunter.io/developer/1130875171) |

## What reviewers say

### SystemeSolaire

[App page](https://appshunter.io/ios/app/systemesolaire/id1440418549)

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

**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 SystemeSolaire free?

SystemeSolaire costs $1.99, with no in-app purchases.

### Is Saturn free?

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

### Do SystemeSolaire or Saturn have ads?

Saturn shows ads; SystemeSolaire does not.

### Which is updated more often, SystemeSolaire or Saturn?

SystemeSolaire ships an update every 55 months, and Saturn every 10 months. Most recently, SystemeSolaire was updated on October 28, 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.*