# KardiaRx vs EGK FirstAid

The clearest difference is iOS requirement: KardiaRx at 15.8 against EGK FirstAid's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KardiaRx ships an update every 3 months, EGK FirstAid every 4 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KardiaRx | EGK FirstAid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/kardiarx/id1571374454/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 143 MB | 5 MB |
| Requires iOS | **15.8** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [AliveCor, Inc.](https://appshunter.io/developer/546535893) | [Isaac Eng Gian Khor](https://appshunter.io/developer/1808933315) |

## What reviewers say

### KardiaRx

[App page](https://appshunter.io/ios/app/kardiarx/id1571374454)

This app works with an FDA-cleared EKG device to provide advanced cardiac monitoring. It allows users to capture medical-grade EKGs anytime, anywhere, detecting common arrhythmias in 30 seconds. Track your heart health data with accuracy trusted by doctors.

**Highlights:** Advanced cardiac monitoring, Works with KardiaMobile 6L EKG devices, Detects common arrhythmias, Medical-grade EKG capture, No patches, wires, or gels required, Track heart health data

**Features:** Vision Pro support

**In-app purchases:** none


### EGK FirstAid

[App page](https://appshunter.io/ios/app/egk-firstaid/id6759848967)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KardiaRx free?

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

### Is EGK FirstAid free?

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

### Do KardiaRx or EGK FirstAid have ads?

Neither KardiaRx nor EGK FirstAid shows ads.

### Which is updated more often, KardiaRx or EGK FirstAid?

KardiaRx ships an update every 3 months, and EGK FirstAid every 4 months. Most recently, KardiaRx was updated on October 21, 2026 and EGK FirstAid 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.*