# Sciencenorway vs Mars

The clearest difference is in-app purchases: Sciencenorway at none against Mars's 1. Sciencenorway also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

Sciencenorway ships an update every 11 months, Mars every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Sciencenorway | Mars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mars-curiosity/id1549319225/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 6 months** |
| Monetization | — | Ad-supported |
| Size | 39 MB | 107 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [AutoMagi Ltd.](https://appshunter.io/developer/399892535) | [Alparslan Topbas](https://appshunter.io/developer/1130875171) |

## What reviewers say

### Sciencenorway

[App page](https://appshunter.io/ios/app/sciencenorway/id1505353719)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mars

[App page](https://appshunter.io/ios/app/mars-curiosity/id1549319225)

Explore Mars with stunning visuals and interactive features. Discover NASA photos, watch HD videos of Curiosity's journey, and examine 3D models of Martian landscapes and hardware. This app offers a premium, immersive experience for space enthusiasts.

**Highlights:** Browse NASA photos of Mars, Watch HD videos of Curiosity's journey, Interactive 3D models of Martian topography, Smart search and discovery, Cinematic slideshow of Mars imagery, Modern, animated interface

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Sciencenorway free?

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

### Is Mars free?

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

### Do Sciencenorway or Mars have ads?

Both Sciencenorway and Mars show ads.

### Which is updated more often, Sciencenorway or Mars?

Sciencenorway ships an update every 11 months, and Mars every 6 months. Most recently, Sciencenorway was updated on November 3, 2026 and Mars 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.*