# iArrest vs Electrolytes Emergencies

The clearest difference is in-app purchases: iArrest at none against Electrolytes Emergencies's 1. iArrest also leads on iOS requirement (12.0 vs 16). Electrolytes Emergencies's advantage is update cadence (every 9 days vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Electrolytes Emergencies sells 1 one-off in-app purchase. iArrest asks for nothing beyond the download.

iArrest ships an update every 13 months, Electrolytes Emergencies every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iArrest | Electrolytes Emergencies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/iarrest/id1280974002/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **12.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Maximilian Neun](https://appshunter.io/developer/1280974001) | [ATIF ELNIL](https://appshunter.io/developer/1886307011) |

## What reviewers say

### iArrest

[App page](https://appshunter.io/ios/app/iarrest/id1280974002)

This app assists healthcare professionals during cardiac arrest calls by providing structured guidance based on the latest resuscitation guidelines. It includes timers for critical interventions and generates detailed event logs for documentation. Designed for paramedics and hospital clinicians, it acts as a reminder for essential tasks in high-pressure situations.

**Highlights:** Structured cardiac arrest guidance, Adult resuscitation scenarios, Based on UK Resuscitation Council Guidelines 2021, Timers for rhythm analysis and adrenaline, Audible and visual intervention reminders, Continuous use prevention of sleep mode, Detailed event logging

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Electrolytes Emergencies

[App page](https://appshunter.io/ios/app/electrolytes-emergencies/id6763425777)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electrolytes — Full Access | $14.99 | one-time |


## Frequently asked questions

### Is iArrest free?

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

### Is Electrolytes Emergencies free?

Electrolytes Emergencies is free to download, with in-app purchases available.

### Do iArrest or Electrolytes Emergencies have ads?

Neither iArrest nor Electrolytes Emergencies shows ads.

### Which is updated more often, iArrest or Electrolytes Emergencies?

iArrest ships an update every 13 months, and Electrolytes Emergencies every 9 days. Most recently, iArrest was updated on October 24, 2026 and Electrolytes Emergencies on October 25, 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.*