# Lab Notes & Diagnostic Tests vs Davis Lab and Diagnostic Tests

The clearest difference is ads: Davis Lab and Diagnostic Tests at none against Lab Notes & Diagnostic Tests's shown. Lab Notes & Diagnostic Tests's advantage is update cadence (every 4 months vs every 13 months) and ratings volume (8 vs 2). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Lab Notes & Diagnostic Tests sells 2 in-app purchases, starting at $29.99 per year and Davis Lab and Diagnostic Tests sells 1 in-app purchase, starting at $38.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Lab Notes & Diagnostic Tests against 5.0 for Davis Lab and Diagnostic Tests. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

Lab Notes & Diagnostic Tests ships an update every 4 months, Davis Lab and Diagnostic Tests every 13 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Lab Notes & Diagnostic Tests | Davis Lab and Diagnostic Tests |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/lab-notes-and-diagnostic-tests/id1140857423/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/davis-lab-and-diagnostic-tests/id1605906059/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 474 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [Atmosphere Apps, Inc.](https://appshunter.io/developer/334077424) |

## What reviewers say

### Lab Notes & Diagnostic Tests

[App page](https://appshunter.io/ios/app/lab-notes-and-diagnostic-tests/id1140857423)

This app serves as a portable reference for nurses, providing essential information on over 400 lab and diagnostic tests. It includes details on preparation, patient care, panic levels, and visual aids, with offline access after initial download.

**Highlights:** Covers 400+ lab and diagnostic tests, Includes radiography, imaging, and endoscopy, Identifies panic lab levels and nurse alerts, Features patient education guidelines, Offline access to content, SmartSearch technology for quick information retrieval

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lab Notes & Diagnostic Tests | $29.99 | per year |
| Lab Notes & Diagnostic Tests | $29.99 | one-time |


### Davis Lab and Diagnostic Tests

[App page](https://appshunter.io/ios/app/davis-lab-and-diagnostic-tests/id1605906059)

This medical reference app provides comprehensive information on lab and diagnostic tests. It helps users understand test procedures, interpret results, and offer quality patient care with detailed nursing implications, common uses, and interfering factors.

**Highlights:** Alphabetical listing of tests, Searchable by abbreviation, synonym, disease, Potential Nursing Problems tables, Common Use explanations, Pre-test, intra-test, post-test coverage, Patient safety and teaching information, Reference ranges in conventional and SI units

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $38.99 | per year |


## Frequently asked questions

### Is Lab Notes & Diagnostic Tests free?

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

### Is Davis Lab and Diagnostic Tests free?

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

### Which has better reviews, Lab Notes & Diagnostic Tests or Davis Lab and Diagnostic Tests?

Lab Notes & Diagnostic Tests and Davis Lab and Diagnostic Tests are both rated 5.0 out of 5 on the App Store, from 8 and 2 ratings respectively.

### Do Lab Notes & Diagnostic Tests or Davis Lab and Diagnostic Tests have ads?

Lab Notes & Diagnostic Tests shows ads; Davis Lab and Diagnostic Tests does not.

### Which is updated more often, Lab Notes & Diagnostic Tests or Davis Lab and Diagnostic Tests?

Lab Notes & Diagnostic Tests ships an update every 4 months, and Davis Lab and Diagnostic Tests every 13 months. Most recently, Lab Notes & Diagnostic Tests was updated on October 14, 2026 and Davis Lab and Diagnostic Tests 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.*