# iHemostasis vs Osmosis

iHemostasis and Osmosis both sit at 5.0 stars, but that hides the real split: 47% of Osmosis's written reviews are positive against 0% of iHemostasis's. Osmosis also leads on update cadence (monthly vs every 7 months) and ratings volume (3.9K vs 2). iHemostasis's advantage is in-app purchases (none vs 10). On price, rating, ads and device support there is nothing between them.

Both are free to download. Osmosis sells 10 in-app purchases, starting at $16.99 per month. iHemostasis asks for nothing beyond the download.

iHemostasis holds the better App Store score, 5.0 against 4.8. 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. Written reviews complicate that: 0% of iHemostasis's written reviews are positive against 47% of Osmosis's, so the app with the better star average is not the one people write more warmly about.

iHemostasis ships an update every 7 months, Osmosis monthly. Both last shipped on November 1, 2026.

## The numbers

| Metric | iHemostasis | Osmosis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ihemostasis/id472966966/reviews)** | [4.8 (3.9K ratings)](https://appshunter.io/ios/app/osmosis-med-school-study-app/id646540641/reviews) |
| Number of ratings | 2 | **3.9K** |
| Positive reviews | 0.0% of reviews | **47.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#94** |
| Size | 297 MB | 70 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Stago](https://appshunter.io/developer/472966969) | [Knowledge Diffusion](https://appshunter.io/developer/646540644) |

## What reviewers say

### iHemostasis

[App page](https://appshunter.io/ios/app/ihemostasis/id472966966)

This medical education tool focuses on the mechanisms of coagulation and clinical cases in hemostasis. It's designed for biologists, physicians, students, and anyone interested in learning about hemostasis and thrombosis.

**Highlights:** Coagulation mechanisms study, Clinical case studies, Therapeutic education, Hemostasis and thrombosis learning, Personal care information

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

**In-app purchases:** none


### Osmosis

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

**Currently charting:** #94 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Osmosis Full Access Monthly | $16.99 | per month |
| Osmosis Suite Access Monthly | $49.00 | per month |
| Clinical Science 6 Month | $129.00 | per 6 months |
| Osmosis Suite Access 3 Month | $149.00 | per 3 months |
| 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


## Frequently asked questions

### Is iHemostasis free?

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

### Is Osmosis free?

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

### Which has better reviews, iHemostasis or Osmosis?

iHemostasis is rated higher. iHemostasis averages 5.0 out of 5 from 2 ratings, while Osmosis averages 4.8 from 3.9K ratings.

### Do iHemostasis or Osmosis have ads?

Neither iHemostasis nor Osmosis shows ads.

### Which is updated more often, iHemostasis or Osmosis?

iHemostasis ships an update every 7 months, and Osmosis monthly. Most recently, iHemostasis was updated on November 1, 2026 and Osmosis on November 1, 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.*