# RNotes® vs Lab Notes & Diagnostic Tests

The clearest difference is rating: Lab Notes & Diagnostic Tests at 5.0 against RNotes®'s 4.5. Lab Notes & Diagnostic Tests also leads on iOS requirement (13.0 vs 15.0). RNotes®'s advantage is ads (none vs shown) and ratings volume (41 vs 8). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. RNotes® sells 3 one-off in-app purchases and Lab Notes & Diagnostic Tests sells 2 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Lab Notes & Diagnostic Tests holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: RNotes® has 41 ratings behind it against 8, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

RNotes® ships an update every 7 months, Lab Notes & Diagnostic Tests every 4 months. The most recent releases landed on September 24, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | RNotes® | Lab Notes & Diagnostic Tests |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (41 ratings)](https://appshunter.io/ios/app/rnotes/id940109641/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/lab-notes-and-diagnostic-tests/id1140857423/reviews)** |
| Number of ratings | **41** | 8 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### RNotes®

[App page](https://appshunter.io/ios/app/rnotes/id940109641)

This clinical reference app provides nurses and students with quick access to essential medical information, including guidelines, procedures, and exam preparation tools. It features full-color images, charts, and customizable notes to enhance patient care and learning.

**Highlights:** Quick-reference clinical nursing information, Updated AHA guidelines, Full-color images and charts, NCLEX exam topic indicators, Step-by-step procedures and assessment guidance, Customizable notes and highlights, Nursing alerts for critical safety information

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RNotes® 4th Edition | $29.99 | one-time |
| RNotes® 5th Edition | $29.99 | one-time |
| RNotes | $29.99 | one-time |


### 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 |


## Frequently asked questions

### Is RNotes® free?

RNotes® is free to download, with in-app purchases available.

### Is Lab Notes & Diagnostic Tests free?

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

### Which has better reviews, RNotes® or Lab Notes & Diagnostic Tests?

Lab Notes & Diagnostic Tests is rated higher. RNotes® averages 4.5 out of 5 from 41 ratings, while Lab Notes & Diagnostic Tests averages 5.0 from 8 ratings.

### Do RNotes® or Lab Notes & Diagnostic Tests have ads?

Lab Notes & Diagnostic Tests shows ads; RNotes® does not.

### Which is updated more often, RNotes® or Lab Notes & Diagnostic Tests?

RNotes® ships an update every 7 months, and Lab Notes & Diagnostic Tests every 4 months. Most recently, RNotes® was updated on September 24, 2026 and Lab Notes & Diagnostic Tests on July 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*