# Lab Values+ Medical Reference vs Davis’s Lab & Diagnostic Tests

The clearest difference is price: Davis’s Lab & Diagnostic Tests at Free against Lab Values+ Medical Reference's $2.99. Davis’s Lab & Diagnostic Tests also leads on rating (4.7 vs 3.7) and iOS requirement (15.0 vs 17.0). Lab Values+ Medical Reference's advantage is in-app purchases (none vs 2) and review sentiment (83% vs 50%). On ratings volume, ads and device support there is nothing between them.

Davis’s Lab & Diagnostic Tests is free to download; Lab Values+ Medical Reference costs $2.99 up front. Davis’s Lab & Diagnostic Tests sells 2 one-off in-app purchases. Lab Values+ Medical Reference asks for nothing beyond the download.

Davis’s Lab & Diagnostic Tests holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 44 and 84 respectively. Written reviews complicate that: 83% of Lab Values+ Medical Reference's written reviews are positive against 50% of Davis’s Lab & Diagnostic Tests's, so the app with the better star average is not the one people write more warmly about.

Lab Values+ Medical Reference ships an update monthly, Davis’s Lab & Diagnostic Tests every 9 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Lab Values+ Medical Reference | Davis’s Lab & Diagnostic Tests |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.7 (44 ratings)](https://appshunter.io/ios/app/lab-values-plus-medical-reference/id450201372/reviews) | **[4.7 (84 ratings)](https://appshunter.io/ios/app/daviss-lab-and-diagnostic-tests/id1005061939/reviews)** |
| Number of ratings | 44 | **84** |
| Positive reviews | **82.9% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 14 MB | 10 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Hipposoft, LLC](https://appshunter.io/developer/314644548) | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) |

## What reviewers say

### Lab Values+ Medical Reference

[App page](https://appshunter.io/ios/app/lab-values-plus-medical-reference/id450201372)

This app provides a comprehensive medical reference, combining lab values, medical abbreviations, and prefixes/suffixes. It offers editable data, detailed lab information, and links to external resources for quick access to critical medical data.

**Highlights:** 3-in-1 medical reference (Lab Values, Abbreviations, Prefixes/Suffixes), Fully editable lab data, Hundreds of lab reference values, Common lab panels included, SI and US units for lab values, Thousands of medical abbreviations, Links to external medical resources

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 📚 Comprehensive lab information
- 💡 Customizable values
- 🚀 Quick reference
- 📱 Works on multiple devices

**What reviewers complain about**

- 🐛 App crashes frequently
- 🖨️ Tiny print, unreadable
- 📉 Jumbled or unreadable content
- 🚫 Missing common tests (e.g., ANA)
- ⚠️ Screen cuts off, unresponsive

**Reported bugs**

- Screen cuts in the middle
- Lower half of screen is white and unresponsive
- App crashes frequently
- In-app links not working due to transport security policy
- Notes saved, but not the order/listing of labs

**Requested features**

- Add common tests like ANA
- Improve readability/font size
- Fix screen cutting/responsiveness issues
- Add search functionality for lab values
- Save custom lab order


### Davis’s Lab & Diagnostic Tests

[App page](https://appshunter.io/ios/app/daviss-lab-and-diagnostic-tests/id1005061939)

This app provides comprehensive guidance on hundreds of diagnostic tests, including interpretation of results, patient preparation, and post-test care. It's designed for nurses and healthcare professionals to understand and implement critical test procedures effectively.

**Highlights:** Over 400 lab and diagnostic test monographs, Subspecialty test coverage, Nursing implications and clinical judgment sections, Cross-reference links to related tests, Patient preparation and specimen collection guides, Advanced search and favorites functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Davis's Labs & Dx Tests | $49.99 | one-time |
| Davis's Lab and Dx Tests | $49.99 | one-time |


## Frequently asked questions

### Is Lab Values+ Medical Reference free?

Lab Values+ Medical Reference costs $2.99, with no in-app purchases.

### Is Davis’s Lab & Diagnostic Tests free?

Davis’s Lab & Diagnostic Tests is free to download, with in-app purchases available.

### Which has better reviews, Lab Values+ Medical Reference or Davis’s Lab & Diagnostic Tests?

Davis’s Lab & Diagnostic Tests is rated higher. Lab Values+ Medical Reference averages 3.7 out of 5 from 44 ratings, while Davis’s Lab & Diagnostic Tests averages 4.7 from 84 ratings.

### Do Lab Values+ Medical Reference or Davis’s Lab & Diagnostic Tests have ads?

Neither Lab Values+ Medical Reference nor Davis’s Lab & Diagnostic Tests shows ads.

### Which is updated more often, Lab Values+ Medical Reference or Davis’s Lab & Diagnostic Tests?

Lab Values+ Medical Reference ships an update monthly, and Davis’s Lab & Diagnostic Tests every 9 months. Most recently, Lab Values+ Medical Reference was updated on September 21, 2026 and Davis’s Lab & Diagnostic Tests on September 12, 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.*