# VentRef vs ICU Advantage Rapid Reference

The clearest difference is in-app purchases: VentRef at none against ICU Advantage Rapid Reference's 2. ICU Advantage Rapid Reference's advantage is chart position (#81 vs unranked) and iOS requirement (15.0 vs 26.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. ICU Advantage Rapid Reference sells 2 in-app purchases, starting at $15.00 per month. VentRef asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for VentRef against 4.9 for ICU Advantage Rapid Reference. Both are backed by a comparable volume of ratings — 42 and 113 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

VentRef ships an update every 3 weeks, ICU Advantage Rapid Reference every 2 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | VentRef | ICU Advantage Rapid Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (42 ratings)](https://appshunter.io/ios/app/ventref/id6756503414/reviews)** | [4.9 (113 ratings)](https://appshunter.io/ios/app/icu-advantage-rapid-reference/id6763389459/reviews) |
| Number of ratings | 42 | **113** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#81** |
| Size | 27 MB | 93 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Rishi Kumar](https://appshunter.io/developer/1434016052) | [ICU Advantage LLC](https://appshunter.io/developer/1895291008) |

## What reviewers say

### VentRef

[App page](https://appshunter.io/ios/app/ventref/id6756503414)

A clinical reference tool for healthcare professionals managing mechanical ventilation and oxygen therapy. It provides information grounded in respiratory physiology and evidence-based critical care.

**Highlights:** Mechanical ventilation reference, Oxygen therapy reference, Respiratory physiology, Evidence-based critical care, Clinical decision support

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

**In-app purchases:** none


### ICU Advantage Rapid Reference

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

**Currently charting:** #81 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 VentRef free?

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

### Is ICU Advantage Rapid Reference free?

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

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

VentRef is rated higher. VentRef averages 5.0 out of 5 from 42 ratings, while ICU Advantage Rapid Reference averages 4.9 from 113 ratings.

### Do VentRef or ICU Advantage Rapid Reference have ads?

Neither VentRef nor ICU Advantage Rapid Reference shows ads.

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

VentRef ships an update every 3 weeks, and ICU Advantage Rapid Reference every 2 weeks. Most recently, VentRef was updated on September 23, 2026 and ICU Advantage Rapid Reference on September 22, 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.*