# RNotes® vs Mosby’s Nursing Drug Reference

RNotes® and Mosby’s Nursing Drug Reference both sit at 4.5 stars, but that hides the real split: 54% of Mosby’s Nursing Drug Reference's written reviews are positive against 0% of RNotes®'s. Mosby’s Nursing Drug Reference also leads on update cadence (every 3 months vs every 7 months) and ratings volume (164 vs 41). RNotes®'s advantage is ads (none vs shown). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. RNotes® sells 3 one-off in-app purchases and Mosby’s Nursing Drug Reference sells 6 in-app purchases, starting at $29.99 per 6 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for RNotes® against 4.4 for Mosby’s Nursing Drug Reference. Both are backed by a comparable volume of ratings — 41 and 164 respectively. Written reviews are what separate them: 0% of RNotes®'s written reviews are positive against 54% of Mosby’s Nursing Drug Reference's.

RNotes® ships an update every 7 months, Mosby’s Nursing Drug Reference every 3 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | RNotes® | Mosby’s Nursing Drug Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (41 ratings)](https://appshunter.io/ios/app/rnotes/id940109641/reviews)** | [4.4 (164 ratings)](https://appshunter.io/ios/app/mosbys-nursing-drug-reference/id1145789975/reviews) |
| Number of ratings | 41 | **164** |
| Positive reviews | 0.0% of reviews | **53.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 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, Mac** |
| 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 |


### Mosby’s Nursing Drug Reference

[App page](https://appshunter.io/ios/app/mosbys-nursing-drug-reference/id1145789975)

Access comprehensive drug information for nurses, including over 5,000 trade and generic names, FDA-approved drugs, and Black Box Warnings. Features safety alerts, IV administration details, and nursing process frameworks to ensure accurate and safe medication administration.

**Highlights:** 5,000+ drug profiles, Black Box Warnings, Safety Alert feature, IV drug administration details, 26 built-in calculators, Organized by body system side effects

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mosby Nursing Drug Ref 6/M Sub | $29.99 | per 6 months |
| 25% Off-Mosby Nursing Drug | $33.90 | per year |
| Mosby Nursing Drug 1YofferSub | $35.99 | per year |
| 20% Off-Mosby Nursing Drug | $35.99 | per year |
| 15% Off-Mosby Nursing Drug | $38.49 | per year |
| Mosby Nursing Drug Ref 1Y Sub. | $44.99 | per year |


## Frequently asked questions

### Is RNotes® free?

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

### Is Mosby’s Nursing Drug Reference free?

Mosby’s Nursing Drug Reference is free to download, with in-app purchases available.

### Which has better reviews, RNotes® or Mosby’s Nursing Drug Reference?

RNotes® is rated higher. RNotes® averages 4.5 out of 5 from 41 ratings, while Mosby’s Nursing Drug Reference averages 4.4 from 164 ratings.

### Do RNotes® or Mosby’s Nursing Drug Reference have ads?

Mosby’s Nursing Drug Reference shows ads; RNotes® does not.

### Which is updated more often, RNotes® or Mosby’s Nursing Drug Reference?

RNotes® ships an update every 7 months, and Mosby’s Nursing Drug Reference every 3 months. Most recently, RNotes® was updated on October 15, 2026 and Mosby’s Nursing Drug Reference on October 13, 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.*