# CPR Metronome vs ICU Advantage Rapid Reference

The clearest difference is rating: ICU Advantage Rapid Reference at 4.9 against CPR Metronome's 4.1. ICU Advantage Rapid Reference also leads on update cadence (fortnightly vs every 6 weeks) and chart position (#86 vs unranked). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. CPR Metronome sells 3 in-app purchases, starting at $9.99 per 7 days and ICU Advantage Rapid Reference sells 2 in-app purchases, starting at $15.00 per month. Whichever you choose, the download price is not the number that matters.

ICU Advantage Rapid Reference holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: ICU Advantage Rapid Reference has 155 ratings behind it against 17, so its average is the more settled of the two.

CPR Metronome ships an update every 6 weeks, ICU Advantage Rapid Reference fortnightly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CPR Metronome | ICU Advantage Rapid Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (17 ratings)](https://appshunter.io/ios/app/cpr-metronome-rhythm-trainer/id6747687951/reviews) | **[4.9 (155 ratings)](https://appshunter.io/ios/app/icu-advantage-rapid-reference/id6763389459/reviews)** |
| Number of ratings | 17 | **155** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#86** |
| Size | 15 MB | 92 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Aleksei Omelchenko](https://appshunter.io/developer/1822386513) | [ICU Advantage LLC](https://appshunter.io/developer/1895291008) |

## What reviewers say

### CPR Metronome

[App page](https://appshunter.io/ios/app/cpr-metronome-rhythm-trainer/id6747687951)

This app provides a specialized metronome for CPR training, offering adjustable beats per minute and clear audio cues. It includes a visual beat indicator and a built-in timer to help users perfect their compression and breathing techniques during practice sessions.

**Highlights:** Adjustable BPM, Clear audio cues, Animated visual beat indicator, Built-in CPR timer, Subscription required after free trial

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access (Weekly) | $9.99 | per 7 days |
| Full Access (Yearly) | $19.99 | per year |
| Full unlimited access | $24.99 | one-time |


### ICU Advantage Rapid Reference

[App page](https://appshunter.io/ios/app/icu-advantage-rapid-reference/id6763389459)

**Currently charting:** #86 Top Grossing · Medical (US App Store)

This clinical reference tool helps critical care professionals understand complex patient conditions. It provides organ-system-based information, ventilator settings, drug references, calculators, and interactive protocols. Designed for nurses, therapists, and providers, it focuses on deep understanding rather than just quick lookups.

**Highlights:** Organ-system-based clinical reference, Ventilator settings and troubleshooting, Drug references with dosing and pearls, Calculators and scoring systems, Interactive emergency protocols, Offline access to content, Search functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rapid Reference Monthly | $15.00 | per month |
| Rapid Reference Annual | $129.00 | per year |


## Frequently asked questions

### Is CPR Metronome free?

CPR Metronome is free to download, with in-app purchases available.

### Is ICU Advantage Rapid Reference free?

ICU Advantage Rapid Reference is free to download, with in-app purchases available.

### Which has better reviews, CPR Metronome or ICU Advantage Rapid Reference?

ICU Advantage Rapid Reference is rated higher. CPR Metronome averages 4.1 out of 5 from 17 ratings, while ICU Advantage Rapid Reference averages 4.9 from 155 ratings.

### Do CPR Metronome or ICU Advantage Rapid Reference have ads?

Neither CPR Metronome nor ICU Advantage Rapid Reference shows ads.

### Which is updated more often, CPR Metronome or ICU Advantage Rapid Reference?

CPR Metronome ships an update every 6 weeks, and ICU Advantage Rapid Reference fortnightly. Most recently, CPR Metronome was updated on October 24, 2026 and ICU Advantage Rapid Reference 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.*