ASRA Coags vs EchoRef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASRA Coags
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.
- Anticoagulation guideline reference
- Drug-specific summary information
- Regional anesthesia guidelines
- Interventional pain guidelines
- Search by drug or procedure
- Recommendations by block and intervention type
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The ASRA COAGS app has been updated with a universal code base and a fresh new look. This subscription-based app is $6.99/annually or free with ASRA Pain Medicine membership. The app transforms the American Society of Regional Anesthesia and Pain Medicine anticoagulation guidelines for Regional Anesthesia and Interventional Pain Procedures into a quick and easy reference for your practice. It provides rapid access to drug-specific summary information. This version combines the most current recommendations from two separate publications: 1. The 2025 guidelines “Regional anesthesia in the patient receiving antithrombotic or thrombolytic therapy: American Society of Regional Anesthesia and Pain Medicine Evidence- Based Guidelines (Fifth Edition)” published in Regional Anesthesia & Pain Medicine. 2. The 2018 Interventional Pain guidelines from the publication “Interventional Spine and Pain Procedures in Patients on Antiplatelet and Anticoagulant Medications (Second Edition); Guidelines From the American Society of Regional Anesthesia and Pain Medicine, the European Society of Regional Anaesthesia and Pain Therapy, the American Academy of Pain Medicine, the International Neuromodulation Society, the North American Neuromodulation Society, and the World Institute of Pain” published in Regional Anesthesia & Pain Medicine. The app provides direct access to both the regional guidelines and the pain guidelines, also allowing you to choose a default and focus on your specific practice area. Regional Guidelines: 1. Search for drugs by brand name or generic name. 2. Get recommendations based on the block type (e.g. neuraxial, peripheral, obstetric) and the intervention type (e.g. placing a block or removing a catheter). 3. Access more detailed information by using the Information "i" button: a. Mechanism of action for each drug. b. Executive summary for each drug. c. The full 2025 ASRA Pain Medicine regional guideline document. Pain Guidelines: 1. Search for drugs by brand name or generic name. Or start your search by procedure. 2. Get recommendations for: a. High, intermediate, and low risk procedures. b. Modifiers for patients at higher bleeding risk. c. Herbal medications. d. Antidepressant medications. e. When to restart medications after a procedure. 3. Access more detailed information for any drug by using the Information "i" button: a. Mechanism of action for each drug. b. Executive summary for each drug. c. The full 2018 ASRA Pain Medicine interventional pain guideline document. Members of ASRA Pain Medicine receive all society apps for free with their membership. To learn more or to join, visit asra.com/membership. Non-members have access to the content with a low-cost annual subscription.
EchoRef
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.
- Point-of-care ultrasound (POCUS)
- Transthoracic echocardiography (TTE)
- Transesophageal echocardiography (TEE)
- Cardiac dimensions and valve measurements
- Hemodynamic and ultrasound calculations
- Interventional procedure lessons
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EchoRef is a free iOS ultrasonography educational reference covering point-of-care ultrasound (POCUS), transthoracic echocardiography (TTE), and transesophageal echocardiography (TEE). Additionally, it contains cardiac dimensions, native/prosthetic valve measurements, hemodynamic/ultrasound calculations, and lessons ranging from interventional procedures to mechanical circulatory support. This app is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you may have regarding a medical condition, and never disregard or delay seeking professional advice because of information provided by this app. About Rishi Kumar, MD, FACC ("RK.MD") I'm an adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist practicing in academic medicine. I'm passionate about teaching with free, open-access medical education. Learn more on my site: https://rk.md
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ASRA Coags | EchoRef |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (407 ratings) | 4.9 (1.4K ratings) — better |
| Positive reviews | 9.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 407 | 1.4K — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 27 MB | 105 MB |
| Age rating | 17+ | 17+ |
| Developer | American Society of Regional Anesthesia and Pain Medicine | Rishi Kumar |
Customer experience
ASRA Coags
EchoRef
In-app purchases
ASRA Coags
No in-app purchases
EchoRef
No in-app purchases
Questions
Is ASRA Coags free?
Is EchoRef free?
Which has better reviews, ASRA Coags or EchoRef?
Do ASRA Coags or EchoRef have ads?
Which is updated more often, ASRA Coags or EchoRef?
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