# RNotes® vs Osmosis

The clearest difference is review sentiment: Osmosis at 42% against RNotes®'s 0%. Osmosis also leads on update cadence (monthly vs every 7 months) and rating (4.9 vs 4.5). On price, ads, 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 Osmosis sells 13 in-app purchases, starting at $29.00 per month. Whichever you choose, the download price is not the number that matters.

Osmosis holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Osmosis has 877 ratings behind it against 41, so its average is the more settled of the two. Written reviews point the same way: 0% of RNotes®'s written reviews are positive against 42% of Osmosis's.

RNotes® ships an update every 7 months, Osmosis monthly. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | RNotes® | Osmosis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (41 ratings)](https://appshunter.io/ios/app/rnotes/id940109641/reviews) | **[4.9 (877 ratings)](https://appshunter.io/ios/app/osmosis-nursing-exam-prep/id1618951054/reviews)** |
| Number of ratings | 41 | **877** |
| Positive reviews | 0.0% of reviews | **41.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#143** |
| Size | 13 MB | 65 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Knowledge Diffusion](https://appshunter.io/developer/646540644) |

## 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 |


### Osmosis

[App page](https://appshunter.io/ios/app/osmosis-nursing-exam-prep/id1618951054)

**Currently charting:** #143 Top Grossing · Medical (US App Store)

This learning platform offers visual resources like videos, practice questions, and med tables to help nursing students master complex topics. It supports learning for school, clinicals, and board exams, including the NCLEX-RN. The app aims to improve knowledge retention and build confidence for aspiring nurses.

**Highlights:** 475+ nursing videos, 2,000+ practice questions, Med Tables for pharmacology, NCLEX-RN style questions, Offline learning capability, Learning progress analytics

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Osmosis Nursing -  Monthly | $29.00 | per month |
| Osmosis LPN - Monthly | $29.00 | per month |
| Osmosis NP - Monthly | $49.00 | per month |
| Osmosis LPN - 3 Month | $49.99 | per 3 months |
| Osmosis Nursing - 3 Month | $59.99 | per 3 months |
| Osmosis LPN - 3 Months | $69.00 | per 3 months |
| Osmosis Nursing - 6 Month | $79.00 | per 6 months |
| Osmosis LPN - 6 Month | $79.00 | per 6 months |
| Osmosis Nursing - Annual | $139.00 | per year |
| Osmosis LPN - Annual | $139.00 | per year |
| Osmosis NP - 3 Months | $149.00 | per 3 months |
| Osmosis NP - 6 Month | $229.00 | per 6 months |
| Osmosis NP - Annual | $249.00 | per year |

**What reviewers like**

- 👍 Helpful for developing nursing knowledge
- 💡 Great for reviewing class topics
- 👍 Concise and easy-to-follow explanations
- 👍 Enjoyable learning experience

**What reviewers complain about**

- 🐛 Videos won't play offline
- 🐛 Videos don't load
- 🐛 Can't do questions on mobile
- 🚫 School not listed in the app

**Reported bugs**

- Videos get stuck on welcome logo when offline
- App crashes or doesn't work as expected

**Requested features**

- Add support for AirPlay or Apple TV
- Allow practicing questions on mobile


## Frequently asked questions

### Is RNotes® free?

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

### Is Osmosis free?

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

### Which has better reviews, RNotes® or Osmosis?

Osmosis is rated higher. RNotes® averages 4.5 out of 5 from 41 ratings, while Osmosis averages 4.9 from 877 ratings.

### Do RNotes® or Osmosis have ads?

Neither RNotes® nor Osmosis shows ads.

### Which is updated more often, RNotes® or Osmosis?

RNotes® ships an update every 7 months, and Osmosis monthly. Most recently, RNotes® was updated on September 24, 2026 and Osmosis on September 25, 2026.

---

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