# QABA vs Quick Reference Handbook

The clearest difference is ratings volume: QABA at 3 against Quick Reference Handbook's 1. QABA also leads on iOS requirement (12.0 vs 15.6). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for QABA against 5.0 for Quick Reference Handbook. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

QABA ships an update every 34 months, Quick Reference Handbook every 52 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | QABA | Quick Reference Handbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/qaba/id872471322/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/quick-reference-handbook/id1592730552/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 34 months** | Every 52 months |
| Monetization | Free | Free |
| Size | 5 MB | 12 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Calum Donald](https://appshunter.io/developer/872471325) | [International Clearinghouse For Birth Defects Surveillance](https://appshunter.io/developer/1592730554) |

## What reviewers say

### QABA

[App page](https://appshunter.io/ios/app/qaba/id872471322)

This medical app provides quantitative acid-base analysis by allowing users to input blood results. It calculates key variables like Strong Ion Difference and Net Unmeasured Ions, offering a color-coded results screen and a user guide. It's designed for medical professionals to aid in clinical decision-making.

**Highlights:** Quantitative Acid Base Analysis, Blood result input, Calculates SID, NUI, Atot, Color-coded results screen, Includes User Guide, Supports additional lab values

**Features:** macOS Compatibility

**In-app purchases:** none


### Quick Reference Handbook

[App page](https://appshunter.io/ios/app/quick-reference-handbook/id1592730552)

This medical reference app aids healthcare professionals in identifying, diagnosing, and describing congenital anomalies and infections. It features visual tools and diagnostic checklists, designed for ease of use even in low-resource settings.

**Highlights:** Identify congenital anomalies, Diagnose infections, Describe medical conditions, Visual diagnostic tools, Diagnostic checklists, Low-resource area friendly

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QABA free?

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

### Is Quick Reference Handbook free?

Quick Reference Handbook is free to download, with no in-app purchases.

### Which has better reviews, QABA or Quick Reference Handbook?

QABA and Quick Reference Handbook are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do QABA or Quick Reference Handbook have ads?

Neither QABA nor Quick Reference Handbook shows ads.

### Which is updated more often, QABA or Quick Reference Handbook?

QABA ships an update every 34 months, and Quick Reference Handbook every 52 months. Most recently, QABA was updated on October 5, 2026 and Quick Reference Handbook on October 8, 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.*