# ASRA Coags vs Periop Pacemaker

The clearest difference is review sentiment: Periop Pacemaker at 100% against ASRA Coags's 9%. Periop Pacemaker also leads on rating (5.0 vs 1.3) and update cadence (every 2 months vs every 3 months). ASRA Coags's advantage is in-app purchases (none vs 2) and ratings volume (407 vs 8). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Periop Pacemaker sells 2 in-app purchases, starting at $2.99 per year. ASRA Coags asks for nothing beyond the download.

Periop Pacemaker holds the better App Store score, 5.0 against 1.3. That said, the two scores are not equally well evidenced: ASRA Coags has 407 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 9% of ASRA Coags's written reviews are positive against 100% of Periop Pacemaker's.

ASRA Coags ships an update every 3 months, Periop Pacemaker every 2 months. The most recent releases landed on October 16, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | ASRA Coags | Periop Pacemaker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (407 ratings)](https://appshunter.io/ios/app/asra-coags/id858796572/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/periop-pacemaker/id6615070538/reviews)** |
| Number of ratings | **407** | 8 |
| Positive reviews | 8.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 27 MB | 43 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [American Society of Regional Anesthesia and Pain Medicine](https://appshunter.io/developer/858796575) | [Rhythm Management, LLC](https://appshunter.io/developer/1761518402) |

## 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


### Periop Pacemaker

[App page](https://appshunter.io/ios/app/periop-pacemaker/id6615070538)

This app provides medical professionals with a decision algorithm for managing surgical patients with implantable defibrillators or pacemakers. It is based on guidelines endorsed by the Heart Rhythm Society and updated annually by an expert committee.

**Highlights:** Decision algorithm for pacemaker/defibrillator management, Endorsed by Heart Rhythm Society, Based on ASA Perioperative Cardiac Implantable Electronic Device Management Aid, Annual expert committee updates, Designed for medical professionals

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PERIOP PACEMAKER ANNUAL FEE | $2.99 | per year |
| Periop Pacemaker | $7.99 | one-time |


## Frequently asked questions

### Is ASRA Coags free?

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

### Is Periop Pacemaker free?

Periop Pacemaker is free to download, with in-app purchases available.

### Which has better reviews, ASRA Coags or Periop Pacemaker?

Periop Pacemaker is rated higher. ASRA Coags averages 1.3 out of 5 from 407 ratings, while Periop Pacemaker averages 5.0 from 8 ratings.

### Do ASRA Coags or Periop Pacemaker have ads?

Neither ASRA Coags nor Periop Pacemaker shows ads.

### Which is updated more often, ASRA Coags or Periop Pacemaker?

ASRA Coags ships an update every 3 months, and Periop Pacemaker every 2 months. Most recently, ASRA Coags was updated on October 16, 2026 and Periop Pacemaker on September 27, 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.*