# Lightspeed Systems Web Filter vs Promethean

The clearest difference is rating: Promethean at 2.5 against Lightspeed Systems Web Filter's 1.9. Promethean also leads on review sentiment (18% vs 0%) and ratings volume (59 vs 7). Lightspeed Systems Web Filter's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (9.0 vs 15.0). 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.

Promethean holds the better App Store score, 2.5 against 1.9. That said, the two scores are not equally well evidenced: Promethean has 59 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 0% of Lightspeed Systems Web Filter's written reviews are positive against 18% of Promethean's.

Lightspeed Systems Web Filter ships an update every 3 weeks, Promethean every 4 months. The most recent releases landed on September 9, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Lightspeed Systems Web Filter | Promethean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (7 ratings)](https://appshunter.io/ios/app/lightspeed-systems-web-filter/id1068240922/reviews) | **[2.5 (59 ratings)](https://appshunter.io/ios/app/promethean/id1447288595/reviews)** |
| Number of ratings | 7 | **59** |
| Positive reviews | 0.0% of reviews | **17.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 16 MB | 66 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lightspeed Solutions, LLC](https://appshunter.io/developer/367422071) | [Promethean](https://appshunter.io/developer/321367877) |

## What reviewers say

### Lightspeed Systems Web Filter

[App page](https://appshunter.io/ios/app/lightspeed-systems-web-filter/id1068240922)

This application provides robust content filtering for schools on mobile devices. It ensures compliance with regulations and offers reporting on web traffic without requiring a proxy server. A license from the developer is necessary for full functionality.

**Highlights:** Content filtering for mobile devices, CIPA compliance, Web traffic reporting, Proxy-free operation, School-focused filtering

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Lightspeed Systems Web Filter free?

Lightspeed Systems Web Filter is free to download, with no in-app purchases.

### Is Promethean free?

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

### Which has better reviews, Lightspeed Systems Web Filter or Promethean?

Promethean is rated higher. Lightspeed Systems Web Filter averages 1.9 out of 5 from 7 ratings, while Promethean averages 2.5 from 59 ratings.

### Do Lightspeed Systems Web Filter or Promethean have ads?

Neither Lightspeed Systems Web Filter nor Promethean shows ads.

### Which is updated more often, Lightspeed Systems Web Filter or Promethean?

Lightspeed Systems Web Filter ships an update every 3 weeks, and Promethean every 4 months. Most recently, Lightspeed Systems Web Filter was updated on September 9, 2026 and Promethean on August 19, 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.*