# ARTEfac vs Teach on Mars

The clearest difference is update cadence: Teach on Mars at every 6 weeks against ARTEfac's every 10 months. ARTEfac's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ARTEfac ships an update every 10 months, Teach on Mars every 6 weeks. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ARTEfac | Teach on Mars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/teach-on-mars/id1580854583/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 67 MB | 120 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aix Marseille Université](https://appshunter.io/developer/1449701057) | [Teach on Mars](https://appshunter.io/developer/674099907) |

## What reviewers say

### ARTEfac

[App page](https://appshunter.io/ios/app/artefac/id1484050522)

**Features:** macOS Compatibility

**In-app purchases:** none


### Teach on Mars

[App page](https://appshunter.io/ios/app/teach-on-mars/id1580854583)

Expand your daily knowledge with diverse content and personalized learning. Compete with friends, earn badges, and achieve expert status through certifications. Stay updated on digital learning trends via the news feed.

**Highlights:** Hundreds of content on various themes, Personalized profile and preferences, Challenge friends and colleagues, Collect badges and accumulate points, Reach top of leaderboards, Obtain certifications, Digital learning trends news feed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARTEfac free?

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

### Is Teach on Mars free?

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

### Do ARTEfac or Teach on Mars have ads?

Neither ARTEfac nor Teach on Mars shows ads.

### Which is updated more often, ARTEfac or Teach on Mars?

ARTEfac ships an update every 10 months, and Teach on Mars every 6 weeks. Most recently, ARTEfac was updated on October 29, 2026 and Teach on Mars on October 10, 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.*