# ECGRef vs Critical Care Vault

ECGRef and Critical Care Vault both sit at 4.9 stars, but that hides the real split: 100% of ECGRef's written reviews are positive against 67% of Critical Care Vault's. Critical Care Vault's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.6 vs 26.0). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 4.9 for ECGRef against 4.8 for Critical Care Vault. Both are backed by a comparable volume of ratings — 29 and 12 respectively. Written reviews are what separate them: 100% of ECGRef's written reviews are positive against 67% of Critical Care Vault's.

ECGRef ships an update every 2 weeks, Critical Care Vault every 4 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ECGRef | Critical Care Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (29 ratings)](https://appshunter.io/ios/app/ecgref/id6757675855/reviews)** | [4.8 (12 ratings)](https://appshunter.io/ios/app/critical-care-vault/id6763825778/reviews) |
| Number of ratings | **29** | 12 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 12 MB | 20 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Rishi Kumar](https://appshunter.io/developer/1434016052) | [Josue Edmond](https://appshunter.io/developer/1895510889) |

## What reviewers say

### ECGRef

[App page](https://appshunter.io/ios/app/ecgref/id6757675855)

An educational reference for interpreting electrocardiograms, this app covers electrophysiology, rhythm recognition, and common patterns. It aims to assist clinicians and students in accurate bedside ECG analysis.

**Highlights:** Electrophysiology concepts, Rhythm recognition, Clinically relevant patterns, Bedside ECG analysis support, Educational reference

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

**In-app purchases:** none


### Critical Care Vault

[App page](https://appshunter.io/ios/app/critical-care-vault/id6763825778)

This app offers interactive training and a bedside reference for critical care professionals. It features a question bank, simulations, and trainers for reasoning practice, alongside quick access to clinical tools, protocols, and medication information.

**Highlights:** Interactive clinical question bank, Bedside case simulations, Hemodynamics and EKG trainers, Study modules with progress tracking, ICU calculators and scores, Protocol and device quick reference, Offline-first functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECGRef free?

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

### Is Critical Care Vault free?

Critical Care Vault is free to download, with no in-app purchases.

### Which has better reviews, ECGRef or Critical Care Vault?

ECGRef is rated higher. ECGRef averages 4.9 out of 5 from 29 ratings, while Critical Care Vault averages 4.8 from 12 ratings.

### Do ECGRef or Critical Care Vault have ads?

Neither ECGRef nor Critical Care Vault shows ads.

### Which is updated more often, ECGRef or Critical Care Vault?

ECGRef ships an update every 2 weeks, and Critical Care Vault every 4 days. Most recently, ECGRef was updated on October 10, 2026 and Critical Care Vault on October 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.*