# ICU Advantage Rapid Reference vs Critical Care Vault

The clearest difference is in-app purchases: Critical Care Vault at none against ICU Advantage Rapid Reference's 2. Critical Care Vault also leads on update cadence (every 4 days vs fortnightly). ICU Advantage Rapid Reference's advantage is review sentiment (100% vs 67%) and ratings volume (158 vs 13). On price, rating, ads and device support 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. Critical Care Vault asks for nothing beyond the download.

ICU Advantage Rapid Reference holds the better App Store score, 4.9 against 4.8. That said, the two scores are not equally well evidenced: ICU Advantage Rapid Reference has 158 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 100% of ICU Advantage Rapid Reference's written reviews are positive against 67% of Critical Care Vault's.

ICU Advantage Rapid Reference ships an update fortnightly, Critical Care Vault every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ICU Advantage Rapid Reference | Critical Care Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (158 ratings)](https://appshunter.io/ios/app/icu-advantage-rapid-reference/id6763389459/reviews)** | [4.8 (13 ratings)](https://appshunter.io/ios/app/critical-care-vault/id6763825778/reviews) |
| Number of ratings | **158** | 13 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#120** | — |
| Size | 92 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ICU Advantage LLC](https://appshunter.io/developer/1895291008) | [Josue Edmond](https://appshunter.io/developer/1895510889) |

## What reviewers say

### ICU Advantage Rapid Reference

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

**Currently charting:** #120 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 |


### Critical Care Vault

[App page](https://appshunter.io/ios/app/critical-care-vault/id6763825778)

This app offers interactive training and a bedside reference for critical care professionals. It features a question bank, simulations, and trainers for reasoning practice, alongside quick access to clinical tools, protocols, and medication information.

**Highlights:** Interactive clinical question bank, Bedside case simulations, Hemodynamics and EKG trainers, Study modules with progress tracking, ICU calculators and scores, Protocol and device quick reference, Offline-first functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ICU Advantage Rapid Reference free?

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

### Is Critical Care Vault free?

Critical Care Vault is free to download, with no in-app purchases.

### Which has better reviews, ICU Advantage Rapid Reference or Critical Care Vault?

ICU Advantage Rapid Reference is rated higher. ICU Advantage Rapid Reference averages 4.9 out of 5 from 158 ratings, while Critical Care Vault averages 4.8 from 13 ratings.

### Do ICU Advantage Rapid Reference or Critical Care Vault have ads?

Neither ICU Advantage Rapid Reference nor Critical Care Vault shows ads.

### Which is updated more often, ICU Advantage Rapid Reference or Critical Care Vault?

ICU Advantage Rapid Reference ships an update fortnightly, and Critical Care Vault every 4 days. Most recently, ICU Advantage Rapid Reference was updated on November 5, 2026 and Critical Care Vault 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.*