# DiagnosUs vs Cordis@hand

The clearest difference is monetization model: Cordis@hand at free against DiagnosUs's free with in-app purchases. Cordis@hand also leads on review sentiment (100% vs 79%) and iOS requirement (10.0 vs 16.0). DiagnosUs's advantage is ratings volume (1K vs 35) and update cadence (fortnightly vs every 5 weeks). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for DiagnosUs against 4.9 for Cordis@hand. That said, the two scores are not equally well evidenced: DiagnosUs has 1K ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 79% of DiagnosUs's written reviews are positive against 100% of Cordis@hand's.

DiagnosUs ships an update fortnightly, Cordis@hand every 5 weeks. The most recent releases landed on October 22, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | DiagnosUs | Cordis@hand |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1K ratings)](https://appshunter.io/ios/app/diagnosus/id1369759559/reviews) | **[4.9 (35 ratings)](https://appshunter.io/ios/app/cordishand/id1499552362/reviews)** |
| Number of ratings | **1K** | 35 |
| Positive reviews | 79.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 505 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Centaur Labs](https://appshunter.io/developer/1369759558) | [Cardinal Health, Inc](https://appshunter.io/developer/538821746) |

## What reviewers say

### DiagnosUs

[App page](https://appshunter.io/ios/app/diagnosus/id1369759559)

Engage with real medical cases to enhance your diagnostic skills and earn rewards. This educational game is designed for students and professionals to test their knowledge across various specialties and contribute to AI research.

**Highlights:** Analyze diverse medical cases, Improve diagnostic skills, Earn rewards for participation, Contribute to AI research, Study for medical exams, Regularly updated datasets

**In-app purchases:** none

**What reviewers like**

- 💰 Earn money while learning
- 🧠 Helpful for medical students and professionals
- 🤓 Interesting and educational content
- 👍 Fun and engaging app
- 🤝 Responsive and helpful support team

**What reviewers complain about**

- 🐛 Bugs and technical issues (crashes, freezes, slow loading)
- ⏱️ Time-consuming to compete and earn rewards
- 🤖 Inconsistent or inaccurate AI-graded answers
- 🤑 Difficult to earn significant amounts of money
- 🔒 Withdrawal issues for some countries

**Reported bugs**

- App crashes and freezes
- Inaccurate or inconsistent grading of answers
- Withdrawal and payment issues for some users
- Compatibility problems with certain devices and OS versions

**Requested features**

- More diverse medical topics and case studies
- Separate competitions for students vs. professionals
- Ability to discuss and provide feedback on cases
- Improved instructions and explanations
- Compatibility with older devices and iOS versions


### Cordis@hand

[App page](https://appshunter.io/ios/app/cordishand/id1499552362)

This interventional education app provides procedural modules for coronary and endovascular learning. Users can expand their skills and master specific tools through interactive learning or self-testing. Access educational content anytime, anywhere.

**Highlights:** Procedural learning modules, Coronary and endovascular training, Skill expansion, Tool mastery, Self-testing options, On-demand access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DiagnosUs free?

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

### Is Cordis@hand free?

Cordis@hand is free to download, with no in-app purchases.

### Which has better reviews, DiagnosUs or Cordis@hand?

Cordis@hand is rated higher. DiagnosUs averages 4.8 out of 5 from 1K ratings, while Cordis@hand averages 4.9 from 35 ratings.

### Do DiagnosUs or Cordis@hand have ads?

Neither DiagnosUs nor Cordis@hand shows ads.

### Which is updated more often, DiagnosUs or Cordis@hand?

DiagnosUs ships an update fortnightly, and Cordis@hand every 5 weeks. Most recently, DiagnosUs was updated on October 22, 2026 and Cordis@hand on September 28, 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.*