# Clinical Tree vs Mercurius AI

The clearest difference is in-app purchases: Mercurius AI at none against Clinical Tree's 10. Mercurius AI also leads on review sentiment (100% vs 80%). Clinical Tree's advantage is iOS requirement (13.0 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Clinical Tree sells 10 one-off in-app purchases. Mercurius AI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Clinical Tree against 5.0 for Mercurius AI. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews are what separate them: 80% of Clinical Tree's written reviews are positive against 100% of Mercurius AI's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Clinical Tree | Mercurius AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/clinical-tree/id6444689971/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/mercurius-ai/id6773192313/reviews) |
| Number of ratings | **7** | 5 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 83 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [Duc Nguyen](https://appshunter.io/developer/1698359793) | [KEVIN NICHOLAS CHRISTENSEN](https://appshunter.io/developer/6773192465) |

## What reviewers say

### Clinical Tree

[App page](https://appshunter.io/ios/app/clinical-tree/id6444689971)

Access a vast medical knowledge base with quick answers to health questions. Explore detailed information on symptoms, diseases, and treatments across numerous clinical specialties. Stay updated with daily new content and specialized databases.

**Highlights:** Instant medical answer search, Information on symptoms and treatments, Daily updated articles and videos, Over 1,000,000 specialized databases, Covers numerous clinical specialties, Aids students and teachers

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single 9 package | $8.99 | one-time |
| Single 15 package | $14.99 | one-time |
| 6 month package | $19.99 | one-time |
| Single 19 package | $19.99 | one-time |
| Single 25 package | $24.99 | one-time |
| 1 year package | $29.99 | one-time |
| Tzu N package | $29.99 | one-time |
| Tne N package | $39.99 | one-time |
| Nne N package | $99.99 | one-time |
| Lifetime package | $99.99 | one-time |


### Mercurius AI

[App page](https://appshunter.io/ios/app/mercurius-ai/id6773192313)

This AI literacy tutor helps you understand and use artificial intelligence critically and responsibly. It guides you through complex AI concepts with interactive questioning and direct explanations, fostering independent thought rather than providing instant answers.

**Highlights:** Learn AI concepts: models, prompting, bias, hallucinations, Practice Socratic, Discussion, and Debate thinking, Analyze images with AI, Auto-generated quizzes and session reports, Bite-sized AI literacy lessons, Comprehension gate for direct explanations

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

**In-app purchases:** none


## Frequently asked questions

### Is Clinical Tree free?

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

### Is Mercurius AI free?

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

### Which has better reviews, Clinical Tree or Mercurius AI?

Clinical Tree and Mercurius AI are both rated 5.0 out of 5 on the App Store, from 7 and 5 ratings respectively.

### Do Clinical Tree or Mercurius AI have ads?

Neither Clinical Tree nor Mercurius AI shows ads.

### Which is updated more often, Clinical Tree or Mercurius AI?

Clinical Tree ships an update monthly, and Mercurius AI monthly. Most recently, Clinical Tree was updated on October 24, 2026 and Mercurius AI on October 18, 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.*