# ASRA Coags vs EchoRef

The clearest difference is review sentiment: EchoRef at 100% against ASRA Coags's 10%. EchoRef also leads on rating (4.9 vs 1.3) and monetization model (free vs subscription). ASRA Coags's advantage is iOS requirement (13.4 vs 26.0). 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.

EchoRef holds the better App Store score, 4.9 against 1.3. Both are backed by a comparable volume of ratings — 407 and 1.4K respectively. Written reviews point the same way: 10% of ASRA Coags's written reviews are positive against 100% of EchoRef's.

ASRA Coags ships an update every 3 months, EchoRef every 2 months. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ASRA Coags | EchoRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (407 ratings)](https://appshunter.io/ios/app/asra-coags/id858796572/reviews) | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/echoref/id1434016053/reviews)** |
| Number of ratings | 407 | **1.4K** |
| Positive reviews | 9.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Subscription | **Free** |
| Size | 27 MB | 105 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [American Society of Regional Anesthesia and Pain Medicine](https://appshunter.io/developer/858796575) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### ASRA Coags

[App page](https://appshunter.io/ios/app/asra-coags/id858796572)

This app provides quick access to anticoagulation guidelines for regional anesthesia and interventional pain procedures. It offers drug-specific summaries, recommendations based on procedure type, and detailed information on medication mechanisms and guideline documents.

**Highlights:** Anticoagulation guideline reference, Drug-specific summary information, Regional anesthesia guidelines, Interventional pain guidelines, Search by drug or procedure, Recommendations by block and intervention type

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### EchoRef

[App page](https://appshunter.io/ios/app/echoref/id1434016053)

This educational reference app provides comprehensive information on point-of-care ultrasound (POCUS), echocardiography, and cardiac measurements. It includes lessons on interventional procedures and hemodynamic calculations for medical professionals.

**Highlights:** Point-of-care ultrasound (POCUS), Transthoracic echocardiography (TTE), Transesophageal echocardiography (TEE), Cardiac dimensions and valve measurements, Hemodynamic and ultrasound calculations, Interventional procedure lessons

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

**In-app purchases:** none


## Frequently asked questions

### Is ASRA Coags free?

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

### Is EchoRef free?

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

### Which has better reviews, ASRA Coags or EchoRef?

EchoRef is rated higher. ASRA Coags averages 1.3 out of 5 from 407 ratings, while EchoRef averages 4.9 from 1.4K ratings.

### Do ASRA Coags or EchoRef have ads?

Neither ASRA Coags nor EchoRef shows ads.

### Which is updated more often, ASRA Coags or EchoRef?

ASRA Coags ships an update every 3 months, and EchoRef every 2 months. Most recently, ASRA Coags was updated on September 21, 2026 and EchoRef on September 18, 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.*