# MGH Clinical Anesthesia vs ECGRef

The clearest difference is in-app purchases: ECGRef at none against MGH Clinical Anesthesia's 2. ECGRef also leads on rating (4.9 vs 4.5) and update cadence (every 3 weeks vs every 8 months). MGH Clinical Anesthesia's advantage is iOS requirement (15.0 vs 26.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. MGH Clinical Anesthesia sells 2 one-off in-app purchases. ECGRef asks for nothing beyond the download.

ECGRef holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 22 and 31 respectively.

MGH Clinical Anesthesia ships an update every 8 months, ECGRef every 3 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MGH Clinical Anesthesia | ECGRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (22 ratings)](https://appshunter.io/ios/app/mgh-clinical-anesthesia/id1604246152/reviews) | **[4.9 (31 ratings)](https://appshunter.io/ios/app/ecgref/id6757675855/reviews)** |
| Number of ratings | 22 | **31** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 13 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### MGH Clinical Anesthesia

[App page](https://appshunter.io/ios/app/mgh-clinical-anesthesia/id1604246152)

Provides trusted clinical anesthesia guidelines for preoperative, intraoperative, and postoperative patient care. Features concise recommendations, drug references, and advanced search for quick access to essential information.

**Highlights:** Comprehensive anesthesia administration guidelines, Perioperative care, critical care, and pain management fundamentals, Anesthetic drug quick reference, Advanced search functionality, Bookmarking and note-taking features, Detailed images, tables, and charts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MGH Clinical Anesthesia | $54.99 | one-time |
| MGH Clinical Anesthesia | $59.99 | one-time |


### 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


## Frequently asked questions

### Is MGH Clinical Anesthesia free?

MGH Clinical Anesthesia is free to download, with in-app purchases available.

### Is ECGRef free?

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

### Which has better reviews, MGH Clinical Anesthesia or ECGRef?

ECGRef is rated higher. MGH Clinical Anesthesia averages 4.5 out of 5 from 22 ratings, while ECGRef averages 4.9 from 31 ratings.

### Do MGH Clinical Anesthesia or ECGRef have ads?

Neither MGH Clinical Anesthesia nor ECGRef shows ads.

### Which is updated more often, MGH Clinical Anesthesia or ECGRef?

MGH Clinical Anesthesia ships an update every 8 months, and ECGRef every 3 weeks. Most recently, MGH Clinical Anesthesia was updated on October 22, 2026 and ECGRef 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.*