# Promethean vs EarthProject

The clearest difference is rating: EarthProject at 3.4 against Promethean's 2.5. EarthProject also leads on review sentiment (60% vs 18%) and update cadence (monthly vs every 4 months). Promethean's advantage is ratings volume (60 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

EarthProject holds the better App Store score, 3.4 against 2.5. That said, the two scores are not equally well evidenced: Promethean has 60 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 18% of Promethean's written reviews are positive against 60% of EarthProject's.

Promethean ships an update every 4 months, EarthProject monthly. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Promethean | EarthProject |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (60 ratings)](https://appshunter.io/ios/app/promethean/id1447288595/reviews) | **[3.4 (5 ratings)](https://appshunter.io/ios/app/earthproject/id1580109940/reviews)** |
| Number of ratings | **60** | 5 |
| Positive reviews | 17.6% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 66 MB | 70 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Promethean](https://appshunter.io/developer/321367877) | [TAKE ACTION GLOBAL Inc](https://appshunter.io/developer/1580109942) |

## What reviewers say

### Promethean

[App page](https://appshunter.io/ios/app/promethean/id1447288595)

This app facilitates classroom collaboration by allowing students and teachers to interact with interactive panels wirelessly. IT administrators can also manage panel enrollment and updates. It offers screen sharing and access to training resources.

**Highlights:** Wireless screen sharing, Panel management for IT admins, Access to training materials, Student-teacher interaction, Panel enrollment and naming

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

**In-app purchases:** none


### EarthProject

[App page](https://appshunter.io/ios/app/earthproject/id1580109940)

Learn and get motivated to reduce your carbon and plastic footprint. This educational app provides tools and encouragement for sustainable living.

**Highlights:** Learn waste reduction techniques, Motivation for sustainable living, Carbon footprint tracking, Plastic waste reduction guidance, Educational content

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

**In-app purchases:** none


## Frequently asked questions

### Is Promethean free?

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

### Is EarthProject free?

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

### Which has better reviews, Promethean or EarthProject?

EarthProject is rated higher. Promethean averages 2.5 out of 5 from 60 ratings, while EarthProject averages 3.4 from 5 ratings.

### Do Promethean or EarthProject have ads?

Neither Promethean nor EarthProject shows ads.

### Which is updated more often, Promethean or EarthProject?

Promethean ships an update every 4 months, and EarthProject monthly. Most recently, Promethean was updated on October 20, 2026 and EarthProject on October 16, 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.*