# Teach on Earth vs A3C+

The clearest difference is update cadence: A3C+ at monthly against Teach on Earth's every 2 months. Teach on Earth's advantage is iOS requirement (13.0 vs 15.5). 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.

Teach on Earth ships an update every 2 months, A3C+ monthly. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Teach on Earth | A3C+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/teach-on-earth/id1479662530/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 132 MB | 67 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Teach on Earth](https://appshunter.io/developer/1479662529) | [A3C (FR)](https://appshunter.io/developer/1805567313) |

## What reviewers say

### 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


### A3C+

[App page](https://appshunter.io/ios/app/a3c-plus/id6744020298)

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

**In-app purchases:** none


## Frequently asked questions

### Is Teach on Earth free?

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

### Is A3C+ free?

A3C+ is free to download, with no in-app purchases.

### Do Teach on Earth or A3C+ have ads?

Neither Teach on Earth nor A3C+ shows ads.

### Which is updated more often, Teach on Earth or A3C+?

Teach on Earth ships an update every 2 months, and A3C+ monthly. Most recently, Teach on Earth was updated on October 3, 2026 and A3C+ on October 13, 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.*