# Promethean vs GuardBox

The clearest difference is rating: GuardBox at 5.0 against Promethean's 2.5. GuardBox also leads on update cadence (every 2 days vs every 4 months). Promethean's advantage is in-app purchases (none vs 6) and ratings volume (59 vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GuardBox sells 6 in-app purchases, starting at $0.99 per month. Promethean asks for nothing beyond the download.

GuardBox holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Promethean has 59 ratings behind it against 3, so its average is the more settled of the two.

Promethean ships an update every 4 months, GuardBox every 2 days. The most recent releases landed on August 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Promethean | GuardBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (59 ratings)](https://appshunter.io/ios/app/promethean/id1447288595/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/guardbox/id6756085533/reviews)** |
| Number of ratings | **59** | 3 |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 66 MB | 346 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) | [ROBERT JOSEPH JORDAN](https://appshunter.io/developer/1858420879) |

## 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


### GuardBox

[App page](https://appshunter.io/ios/app/guardbox/id6756085533)

This comprehensive platform supports color guard instructors, designers, judges, performers, and parents with tools for scoring, video annotation, practice planning, and financial management. It offers features for skill tracking, music organization, and event scheduling, all accessible across multiple devices.

**Highlights:** Caption Analyzer for scoring and trend tracking, Video annotation and frame-by-frame analysis, Practice Journal with skill tracking and badges, Rehearsal Planner with community sharing, Music Library and Metronome tools, Competition schedule and event tracking, Financial management and budget tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GuardBox Lite | $0.99 | per month |
| GuardBox Premium | $2.99 | per month |
| GuardBox Professional | $6.99 | per month |
| GuardBox Lite | $9.99 | per year |
| GuardBox Premium | $29.99 | per year |
| GuardBox Professional | $69.99 | per year |


## Frequently asked questions

### Is Promethean free?

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

### Is GuardBox free?

GuardBox is free to download, with in-app purchases available.

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

GuardBox is rated higher. Promethean averages 2.5 out of 5 from 59 ratings, while GuardBox averages 5.0 from 3 ratings.

### Do Promethean or GuardBox have ads?

Neither Promethean nor GuardBox shows ads.

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

Promethean ships an update every 4 months, and GuardBox every 2 days. Most recently, Promethean was updated on August 19, 2026 and GuardBox on September 18, 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.*