# Skill Series vs Clinical Tree

The clearest difference is review sentiment: Clinical Tree at 80% against Skill Series's 0%. Skill Series's advantage is in-app purchases (none vs 10) and update cadence (every 10 days vs monthly). On price, ads and device support there is nothing between them.

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

Skill Series ships an update every 10 days, Clinical Tree monthly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Skill Series | Clinical Tree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/clinical-tree/id6444689971/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 83 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [UpSurgeOn](https://appshunter.io/developer/1193542467) | [Duc Nguyen](https://appshunter.io/developer/1698359793) |

## What reviewers say

### Skill Series

[App page](https://appshunter.io/ios/app/skill-series/id1642351463)

Learn and practice essential surgical techniques like microsurgery and anastomoses through guided exercises and video tutorials. This app is specifically designed for medical students and surgery residents to hone their skills.

**Highlights:** Microsurgery exercises, Anastomoses practice, Macrosurgery training, Video tutorials, Skill development

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Skill Series free?

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

### Is Clinical Tree free?

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

### Do Skill Series or Clinical Tree have ads?

Neither Skill Series nor Clinical Tree shows ads.

### Which is updated more often, Skill Series or Clinical Tree?

Skill Series ships an update every 10 days, and Clinical Tree monthly. Most recently, Skill Series was updated on October 12, 2026 and Clinical Tree 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.*