# AV CPG vs Rythmo

The clearest difference is update cadence: Rythmo at every 6 days against AV CPG's every 2 months. AV CPG's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AV CPG ships an update every 2 months, Rythmo every 6 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AV CPG | Rythmo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/av-cpg/id1353278803/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 234 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [Ambulance Victoria](https://appshunter.io/developer/565842693) | [LACHLAN F D SALLABANK](https://appshunter.io/developer/6813348896) |

## What reviewers say

### AV CPG

[App page](https://appshunter.io/ios/app/av-cpg/id1353278803)

This app provides clinical practice guidelines for paramedics and first responders. It offers up-to-date information to guide medical practice and is regularly reviewed for accuracy and relevance. The content is intended for professional use and not as general health advice.

**Highlights:** Clinical practice guidelines, Up-to-date medical information, Regularly reviewed content, For paramedics and first responders, Professional use only

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

**In-app purchases:** none


### Rythmo

[App page](https://appshunter.io/ios/app/rythmo-respiratory-rate/id6813348893)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is AV CPG free?

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

### Is Rythmo free?

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

### Do AV CPG or Rythmo have ads?

Neither AV CPG nor Rythmo shows ads.

### Which is updated more often, AV CPG or Rythmo?

AV CPG ships an update every 2 months, and Rythmo every 6 days. Most recently, AV CPG was updated on November 2, 2026 and Rythmo on October 31, 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.*