# Pedi Crisis 2.0 vs Periop Pacemaker

The clearest difference is in-app purchases: Pedi Crisis 2.0 at none against Periop Pacemaker's 2. Periop Pacemaker's advantage is review sentiment (100% vs 67%) and update cadence (every 2 months vs every 15 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Periop Pacemaker sells 2 in-app purchases, starting at $2.99 per year. Pedi Crisis 2.0 asks for nothing beyond the download.

Periop Pacemaker holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 17 and 8 respectively. Written reviews point the same way: 67% of Pedi Crisis 2.0's written reviews are positive against 100% of Periop Pacemaker's.

Pedi Crisis 2.0 ships an update every 15 months, Periop Pacemaker every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pedi Crisis 2.0 | Periop Pacemaker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (17 ratings)](https://appshunter.io/ios/app/pedi-crisis-20/id1409734476/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/periop-pacemaker/id6615070538/reviews)** |
| Number of ratings | **17** | 8 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 43 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Society for Pediatric Anesthesia](https://appshunter.io/developer/1409734475) | [Rhythm Management, LLC](https://appshunter.io/developer/1761518402) |

## What reviewers say

### Pedi Crisis 2.0

[App page](https://appshunter.io/ios/app/pedi-crisis-20/id1409734476)

This medical reference app provides interactive algorithms and drug dosage calculators for 26 pediatric crisis situations. It offers quick access to crucial details for emergency treatment, helping healthcare professionals make informed decisions.

**Highlights:** 26 pediatric crisis algorithms, Interactive checklists, Drug dosage summaries, Patient-specific dosage calculation, Quick reference tool

**Features:** macOS Compatibility, 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 Pedi Crisis 2.0 free?

Pedi Crisis 2.0 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, Pedi Crisis 2.0 or Periop Pacemaker?

Periop Pacemaker is rated higher. Pedi Crisis 2.0 averages 4.6 out of 5 from 17 ratings, while Periop Pacemaker averages 5.0 from 8 ratings.

### Do Pedi Crisis 2.0 or Periop Pacemaker have ads?

Neither Pedi Crisis 2.0 nor Periop Pacemaker shows ads.

### Which is updated more often, Pedi Crisis 2.0 or Periop Pacemaker?

Pedi Crisis 2.0 ships an update every 15 months, and Periop Pacemaker every 2 months. Most recently, Pedi Crisis 2.0 was updated on October 24, 2026 and Periop Pacemaker 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.*