# Learn on Mars vs Teach on Earth

The clearest difference is in-app purchases: Teach on Earth at none against Learn on Mars's 2. Learn on Mars's advantage is update cadence (monthly vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Learn on Mars sells 2 one-off in-app purchases. Teach on Earth asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Learn on Mars against 5.0 for Teach on Earth. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Learn on Mars ships an update monthly, Teach on Earth every 2 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Learn on Mars | Teach on Earth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/learn-on-mars/id1136755987/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/teach-on-earth/id1479662530/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 128 MB | 132 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Teach on Mars](https://appshunter.io/developer/674099907) | [Teach on Earth](https://appshunter.io/developer/1479662529) |

## What reviewers say

### Learn on Mars

[App page](https://appshunter.io/ios/app/learn-on-mars/id1136755987)

Create, deliver, and manage engaging training programs for large groups. This platform offers multilingual content, offline access, and real-time publishing. It includes features for learner community management, gamified challenges, progress analysis, and app customization.

**Highlights:** Multilingual content creation, Offline access, Real-time publishing, Learner community management, Gamified challenges and quizzes, Learning statistics analysis, App customization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| En finir avec le mal de dos | $1.99 | one-time |
| En finir avec le mal de dos | $4.99 | one-time |


### Teach on Earth

[App page](https://appshunter.io/ios/app/teach-on-earth/id1479662530)

This free mobile app educates users about global social and environmental challenges. It offers engaging, game-like content focused on the 17 Sustainable Development Goals. Learn about poverty, inequality, climate change, and more to empower action.

**Highlights:** Social and environmental awareness, 17 Sustainable Development Goals, Educational content, Engaging and gamified learning, Global action plan information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn on Mars free?

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

### Is Teach on Earth free?

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

### Which has better reviews, Learn on Mars or Teach on Earth?

Learn on Mars and Teach on Earth are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Learn on Mars or Teach on Earth have ads?

Neither Learn on Mars nor Teach on Earth shows ads.

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

Learn on Mars ships an update monthly, and Teach on Earth every 2 months. Most recently, Learn on Mars was updated on October 13, 2026 and Teach on Earth on October 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.*