# Osmosis vs Wound Compass

The clearest difference is rating: Osmosis at 4.8 against Wound Compass's 3.5. Osmosis also leads on ratings volume (3.9K vs 2) and update cadence (monthly vs every 4 months). Wound Compass's advantage is in-app purchases (none vs 14) and iOS requirement (12.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Osmosis sells 12 in-app purchases, starting at $16.99 per month. Wound Compass asks for nothing beyond the download.

Osmosis holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Osmosis has 3.9K ratings behind it against 2, so its average is the more settled of the two.

Osmosis ships an update monthly, Wound Compass every 4 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Osmosis | Wound Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.9K ratings)](https://appshunter.io/ios/app/osmosis-med-school-study-app/id646540641/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/wound-compass/id1533048657/reviews) |
| Number of ratings | **3.9K** | 2 |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#113** | — |
| Size | 70 MB | 20 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Knowledge Diffusion](https://appshunter.io/developer/646540644) | [Smith & Nephew](https://appshunter.io/developer/549124657) |

## What reviewers say

### Osmosis

[App page](https://appshunter.io/ios/app/osmosis-med-school-study-app/id646540641)

**Currently charting:** #113 Top Grossing · Medical (US App Store)

This app helps medical students learn complex concepts faster and retain more information. It offers animated videos, flashcards, notes, and board-style questions to prepare for exams and build clinical skills.

**Highlights:** Animated medical videos, Spaced repetition flashcards, Board-style practice questions, Downloadable notes and videos, Clinical decision-making trees, Cross-platform syncing

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Osmosis Full Access Monthly | $16.99 | per month |
| Clinical Sciences Monthly | $16.99 | per month |
| Osmosis Basic Sciences Monthly | $16.99 | per month |
| Osmosis Suite Access Monthly | $49.00 | per month |
| Clinical Science 6 Month | $129.00 | per 6 months |
| Clinical Science Access Yearly | $169.00 | per year |
| Basic Sciences Access 6 Month | $179.00 | per 6 months |
| Osmosis Full Access 6 Month | $179.99 | per 6 months |
| Osmosis Full Access Yearly | $199.99 | per year |
| Basic Sciences Access Yearly | $199.99 | per year |
| Osmosis Suite Access 6 Month | $229.00 | per 6 months |
| Osmosis Suite Access Yearly | $249.00 | per year |

**What reviewers like**

- 🚀 Great study tool
- 💡 Helpful videos and flashcards
- 👍 Engaging and easy to understand content
- 🚀 Efficient for on-the-go learning
- 👍 Customizable study experience

**What reviewers complain about**

- 🐛 Buggy app with crashes and glitches
- 🔋 Offline functionality issues
- 👎 Limited features compared to website
- 👎 Subscription confusion and billing issues
- 👎 Slow and unresponsive app performance

**Reported bugs**

- Verification email never sent
- Videos won't play or keep restarting
- Inability to access high-yield notes on app
- Flashcards and quizzes not working properly
- App getting stuck on loading/login screens

**Requested features**

- Add speech pathology to the platform
- Provide Arabic subtitles for videos
- Implement split-screen functionality
- Allow editing of flashcards on mobile
- Improve search and playlist features


### Wound Compass

[App page](https://appshunter.io/ios/app/wound-compass/id1533048657)

This clinical support tool assists healthcare professionals in assessing wounds and making informed treatment decisions. It guides users through wound categorization based on location, type, appearance, exudate, and depth, offering treatment recommendations and educational resources.

**Highlights:** Wound assessment guidance, Categorizes wounds by location, type, appearance, exudate, and depth, Treatment and product recommendations, Educational resources, images, and diagrams, Customizable formulary, Reduces practice variation

**In-app purchases:** none


## Frequently asked questions

### Is Osmosis free?

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

### Is Wound Compass free?

Wound Compass is free to download, with no in-app purchases.

### Which has better reviews, Osmosis or Wound Compass?

Osmosis is rated higher. Osmosis averages 4.8 out of 5 from 3.9K ratings, while Wound Compass averages 3.5 from 2 ratings.

### Do Osmosis or Wound Compass have ads?

Neither Osmosis nor Wound Compass shows ads.

### Which is updated more often, Osmosis or Wound Compass?

Osmosis ships an update monthly, and Wound Compass every 4 months. Most recently, Osmosis was updated on October 20, 2026 and Wound Compass on October 14, 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.*