# ShockLink vs BloodCOMM

The clearest difference is update cadence: BloodCOMM at every 2 weeks against ShockLink's every 3 months. ShockLink's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ShockLink ships an update every 3 months, BloodCOMM every 2 weeks. The most recent releases landed on August 15, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | ShockLink | BloodCOMM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/shocklink/id1030723915/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 209 MB | 99 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Laerdal Medical AS](https://appshunter.io/developer/1025710785) | [Delta Development Team, Inc.](https://appshunter.io/developer/1689268727) |

## 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


### BloodCOMM

[App page](https://appshunter.io/ios/app/bloodcomm/id6467690971)

**In-app purchases:** none


## Frequently asked questions

### Is ShockLink free?

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

### Is BloodCOMM free?

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

### Do ShockLink or BloodCOMM have ads?

Neither ShockLink nor BloodCOMM shows ads.

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

ShockLink ships an update every 3 months, and BloodCOMM every 2 weeks. Most recently, ShockLink was updated on August 15, 2026 and BloodCOMM on August 16, 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.*