# ClassicAir vs Quick Reference Critical Care

The clearest difference is in-app purchases: ClassicAir at none against Quick Reference Critical Care's 2. ClassicAir also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Quick Reference Critical Care sells 2 in-app purchases, starting at $39.99 per 6 months. ClassicAir asks for nothing beyond the download.

ClassicAir ships an update every 5 months, Quick Reference Critical Care every 6 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ClassicAir | Quick Reference Critical Care |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (10 ratings)](https://appshunter.io/ios/app/quick-reference-critical-care/id1568426076/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 46 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Softtech, Incorporated.](https://appshunter.io/developer/994593098) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### ClassicAir

[App page](https://appshunter.io/ios/app/classicair/id1404263751)

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

**In-app purchases:** none


### Quick Reference Critical Care

[App page](https://appshunter.io/ios/app/quick-reference-critical-care/id1568426076)

This app provides immediate, on-the-job answers for critical care professionals. It offers updated, evidence-based procedures and stabilization practices in a quick-read outline format, covering a broad range of patient topics by body system.

**Highlights:** Updated critical care content, Full-color images, Extensive abbreviations list, Bulleted outline format, Over 350 illustrations, Body system chapters, SmartSearch technology

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Ref-Critical Care 6M Sub | $39.99 | per 6 months |
| Quick Ref-Critical Care 1Y Sub | $59.99 | per year |


## Frequently asked questions

### Is ClassicAir free?

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

### Is Quick Reference Critical Care free?

Quick Reference Critical Care is free to download, with in-app purchases available.

### Do ClassicAir or Quick Reference Critical Care have ads?

Quick Reference Critical Care shows ads; ClassicAir does not.

### Which is updated more often, ClassicAir or Quick Reference Critical Care?

ClassicAir ships an update every 5 months, and Quick Reference Critical Care every 6 months. Most recently, ClassicAir was updated on October 5, 2026 and Quick Reference Critical Care on October 24, 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.*