# EXPAREL® NOW vs Periop Pacemaker

The clearest difference is in-app purchases: EXPAREL® NOW at none against Periop Pacemaker's 2. Periop Pacemaker's advantage is ratings volume (8 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for EXPAREL® NOW against 5.0 for Periop Pacemaker. That said, the two scores are not equally well evidenced: Periop Pacemaker has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | EXPAREL® NOW | Periop Pacemaker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/exparel-now/id1590877767/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/periop-pacemaker/id6615070538/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 43 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Pacira Pharmaceuticals, Inc.](https://appshunter.io/developer/1444899514) | [Rhythm Management, LLC](https://appshunter.io/developer/1761518402) |

## What reviewers say

### EXPAREL® NOW

[App page](https://appshunter.io/ios/app/exparel-now/id1590877767)

This medical resource app provides quick access to guidance on using EXPAREL in surgical procedures. It offers information on regional field blocks and nerve blocks, including dosing, neuroanatomy, and probe positioning with ultrasound imagery and video. Content is available offline.

**Highlights:** EXPAREL usage guidance, Dosing information, Neuroanatomy and probe positioning, Ultrasound imagery and video, Offline content access, Administrative case reports

**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 EXPAREL® NOW free?

EXPAREL® NOW 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, EXPAREL® NOW or Periop Pacemaker?

EXPAREL® NOW and Periop Pacemaker are both rated 5.0 out of 5 on the App Store, from 1 and 8 ratings respectively.

### Do EXPAREL® NOW or Periop Pacemaker have ads?

Neither EXPAREL® NOW nor Periop Pacemaker shows ads.

### Which is updated more often, EXPAREL® NOW or Periop Pacemaker?

EXPAREL® NOW ships an update every 2 months, and Periop Pacemaker every 2 months. Most recently, EXPAREL® NOW was updated on June 20, 2026 and Periop Pacemaker on September 9, 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.*