# Davis’s Lab & Diagnostic Tests vs Lab Values Pro

The clearest difference is review sentiment: Davis’s Lab & Diagnostic Tests at 50% against Lab Values Pro's 0%. Davis’s Lab & Diagnostic Tests also leads on price (Free vs $0.99) and rating (4.7 vs 4.0). Lab Values Pro's advantage is in-app purchases (none vs 2) and chart position (#198 vs unranked). On update cadence, ads and device support there is nothing between them.

Davis’s Lab & Diagnostic Tests is free to download; Lab Values Pro costs $0.99 up front. Davis’s Lab & Diagnostic Tests sells 2 one-off in-app purchases. Lab Values Pro asks for nothing beyond the download.

Davis’s Lab & Diagnostic Tests holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Davis’s Lab & Diagnostic Tests has 84 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Davis’s Lab & Diagnostic Tests's written reviews are positive against 0% of Lab Values Pro's.

Davis’s Lab & Diagnostic Tests ships an update every 9 months, Lab Values Pro every 10 months. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Davis’s Lab & Diagnostic Tests | Lab Values Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (84 ratings)](https://appshunter.io/ios/app/daviss-lab-and-diagnostic-tests/id1005061939/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/lab-values-pro/id1396676594/reviews) |
| Number of ratings | **84** | 3 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#198** |
| Size | 10 MB | 12 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Dr. Steve Müller](https://appshunter.io/developer/435712210) |

## What reviewers say

### 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 |


### Lab Values Pro

[App page](https://appshunter.io/ios/app/lab-values-pro/id1396676594)

**Currently charting:** #198 Top Paid · Medical (US App Store)

This app provides a clear and structured overview of common laboratory blood values, their standard ranges in both old and SI units, and potential causes for increases or decreases. It's designed for quick navigation and understanding for both medical professionals and laypeople.

**Highlights:** Overview of routine lab parameters, Causes of increased/decreased values, Standard values in old and SI units, Alphabetical and category-based navigation, Search bar for specific values, Generally understandable information

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Lab Values Pro free?

Lab Values Pro costs $0.99, with no in-app purchases.

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

Davis’s Lab & Diagnostic Tests is rated higher. Davis’s Lab & Diagnostic Tests averages 4.7 out of 5 from 84 ratings, while Lab Values Pro averages 4.0 from 3 ratings.

### Do Davis’s Lab & Diagnostic Tests or Lab Values Pro have ads?

Neither Davis’s Lab & Diagnostic Tests nor Lab Values Pro shows ads.

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

Davis’s Lab & Diagnostic Tests ships an update every 9 months, and Lab Values Pro every 10 months. Most recently, Davis’s Lab & Diagnostic Tests was updated on October 22, 2026 and Lab Values Pro on October 6, 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.*