# E vs Education Is KEY

The clearest difference is rating: E at 5.0 against Education Is KEY's 4.0. E also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ratings volume, update cadence and ads there is nothing between them.

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

E holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

E ships an update every 3 months, Education Is KEY every 5 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | E | Education Is KEY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/e-force-sli/id6449679204/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/education-is-key/id6744249929/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 39 MB | 63 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Rescue Digital Systems Gmbh](https://appshunter.io/developer/1533789837) | [KFH Industries, INC](https://appshunter.io/developer/1806664179) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-force-sli/id6449679204)

Access all your E-FORCE SLi battery rescue tools in one place. This application from GENESIS RESCUE SYSTEMS provides essential functionalities for managing and utilizing your rescue equipment.

**Highlights:** Battery rescue tool access, E-FORCE SLi system management, GENESIS RESCUE SYSTEMS tools, Integrated functionalities

**Features:** macOS Compatibility

**In-app purchases:** none


### Education Is KEY

[App page](https://appshunter.io/ios/app/education-is-key/id6744249929)

This tool provides firefighters with essential hose data and calculations, including friction loss, GPM, and nozzle pressure. It also serves as a product catalog for hose specifications and helps locate local product experts.

**Highlights:** Friction loss calculator, GPM and nozzle pressure reference, Key Hose product catalog, Local product expert finder, Fire service interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Education Is KEY free?

Education Is KEY is free to download, with no in-app purchases.

### Which has better reviews, E or Education Is KEY?

E is rated higher. E averages 5.0 out of 5 from 2 ratings, while Education Is KEY averages 4.0 from 3 ratings.

### Do E or Education Is KEY have ads?

Neither E nor Education Is KEY shows ads.

### Which is updated more often, E or Education Is KEY?

E ships an update every 3 months, and Education Is KEY every 5 months. Most recently, E was updated on October 14, 2026 and Education Is KEY on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*