# ShockLink vs Education Is KEY

The clearest difference is review sentiment: ShockLink at 100% against Education Is KEY's 0%. ShockLink also leads on rating (4.8 vs 4.0) and device support (3 vs 1). 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.

ShockLink holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 100% of ShockLink's written reviews are positive against 0% of Education Is KEY's.

ShockLink ships an update every 3 months, Education Is KEY every 5 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ShockLink | Education Is KEY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/shocklink/id1030723915/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/education-is-key/id6744249929/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | **100.0% of 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 | 209 MB | 63 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Laerdal Medical AS](https://appshunter.io/developer/1025710785) | [KFH Industries, INC](https://appshunter.io/developer/1806664179) |

## What reviewers say

### ShockLink

[App page](https://appshunter.io/ios/app/shocklink/id1030723915)

This application facilitates realistic defibrillator training by allowing users to control pad placement, CPR artifact, and various heart rhythms. It supports multiple defibrillator models and offers customizable training scenarios for adult, child, and infant simulations.

**Highlights:** Live defibrillator integration, Control pad placement, CPR artifact simulation, Eight selectable heart rhythms, Customizable training scenarios, Measure shock energy, Record training time

**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 ShockLink free?

ShockLink 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, ShockLink or Education Is KEY?

ShockLink is rated higher. ShockLink averages 4.8 out of 5 from 5 ratings, while Education Is KEY averages 4.0 from 3 ratings.

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

Neither ShockLink nor Education Is KEY shows ads.

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

ShockLink ships an update every 3 months, and Education Is KEY every 5 months. Most recently, ShockLink was updated on October 16, 2026 and Education Is KEY on October 10, 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.*