# ShockLink vs Air

The clearest difference is rating: Air at 5.0 against ShockLink's 4.8. 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.

Air holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 4 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | ShockLink | Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/shocklink/id1030723915/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/air-pak-x3-pro/id1370113131/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 209 MB | 43 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Laerdal Medical AS](https://appshunter.io/developer/1025710785) | [3M Company](https://appshunter.io/developer/396772465) |

## 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


### Air

[App page](https://appshunter.io/ios/app/air-pak-x3-pro/id1370113131)

This utility app allows firefighters to easily update configuration settings and download data from their 3M™ Scott™ Air-Pak™ X3 Pro SCBA. It supports settings for the E-Z Flo C5 regulator and ensures compliance with the latest NFPA standards.

**Highlights:** Update SCBA configuration settings, Download data from SCBA, Supports E-Z Flo C5 regulator settings, Ensures NFPA 2018 Edition compliance, Designed for firefighter safety and comfort

**In-app purchases:** none


## Frequently asked questions

### Is ShockLink free?

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

### Is Air free?

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

### Which has better reviews, ShockLink or Air?

Air is rated higher. ShockLink averages 4.8 out of 5 from 5 ratings, while Air averages 5.0 from 4 ratings.

### Do ShockLink or Air have ads?

Neither ShockLink nor Air shows ads.

### Which is updated more often, ShockLink or Air?

ShockLink ships an update every 3 months, and Air every 3 months. Most recently, ShockLink was updated on November 1, 2026 and Air on November 2, 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.*