# Promethean vs Emerald Chaperone App

The clearest difference is update cadence: Emerald Chaperone App at every 3 weeks against Promethean's every 4 months. Promethean's advantage is iOS requirement (15.0 vs 26.1). 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.

Promethean ships an update every 4 months, Emerald Chaperone App every 3 weeks. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Promethean | Emerald Chaperone App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (60 ratings)](https://appshunter.io/ios/app/promethean/id1447288595/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 66 MB | 5 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Promethean](https://appshunter.io/developer/321367877) | [Raechel Curiel](https://appshunter.io/developer/1865239514) |

## 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


### Emerald Chaperone App

[App page](https://appshunter.io/ios/app/emerald-chaperone-app/id6759537237)

**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 Emerald Chaperone App free?

Emerald Chaperone App is free to download, with no in-app purchases.

### Do Promethean or Emerald Chaperone App have ads?

Neither Promethean nor Emerald Chaperone App shows ads.

### Which is updated more often, Promethean or Emerald Chaperone App?

Promethean ships an update every 4 months, and Emerald Chaperone App every 3 weeks. Most recently, Promethean was updated on October 26, 2026 and Emerald Chaperone App on October 28, 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.*