# Saturn vs Mars Today

The clearest difference is in-app purchases: Mars Today at none against Saturn's 1. Mars Today also leads on ads (none vs shown) and update cadence (monthly vs every 10 months). On price, rating and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Saturn against 5.0 for Mars Today. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Saturn ships an update every 10 months, Mars Today monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Saturn | Mars Today |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/saturn-cassini/id1567740684/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/mars-today/id1640335599/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 74 MB | 4 MB |
| Requires iOS | 17.0 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Alparslan Topbas](https://appshunter.io/developer/1130875171) | [James Buckhouse](https://appshunter.io/developer/1631924321) |

## What reviewers say

### 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 |


### Mars Today

[App page](https://appshunter.io/ios/app/mars-today/id1640335599)

Access the latest images of Mars from NASA's Curiosity rover. Browse current photos or explore past images from Curiosity, Spirit, and Opportunity by SOL. Bookmark and share your favorite discoveries.

**Highlights:** Latest Mars images from Curiosity, View past images from Spirit and Opportunity, Browse by Mars SOL, Bookmark favorite images, Easy sharing functionality, No login required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Saturn free?

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

### Is Mars Today free?

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

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

Saturn and Mars Today are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Saturn or Mars Today have ads?

Saturn shows ads; Mars Today does not.

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

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