# Clinical Tree vs NucApp

The clearest difference is price: Clinical Tree at Free against NucApp's $9.99. Clinical Tree also leads on rating (5.0 vs 4.5). NucApp's advantage is in-app purchases (none vs 10) and update cadence (weekly vs monthly). On review sentiment, ratings volume, ads and device support there is nothing between them.

Clinical Tree is free to download; NucApp costs $9.99 up front. Clinical Tree sells 10 one-off in-app purchases. NucApp asks for nothing beyond the download.

Clinical Tree holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews split almost evenly too, at 80% and 80% positive.

Clinical Tree ships an update monthly, NucApp weekly. The most recent releases landed on September 10, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | Clinical Tree | NucApp |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/clinical-tree/id6444689971/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/nucapp/id6636547992/reviews) |
| Number of ratings | 7 | **8** |
| Positive reviews | 80.0% of reviews | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#173** |
| Size | 83 MB | 30 MB |
| Requires iOS | **13.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Duc Nguyen](https://appshunter.io/developer/1698359793) | [Ilan Benador-Shen](https://appshunter.io/developer/1763047518) |

## 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 |


### NucApp

[App page](https://appshunter.io/ios/app/nucapp/id6636547992)

**Currently charting:** #173 Top Paid · Education (US App Store)

Prepare for the nuclear medicine section of the ABR core exam with a question bank covering clinical, regulatory, and physical principles. Detailed explanations are provided by experienced radiology residents.

**Highlights:** Nearly 400 exam-style questions, Covers clinical principles, Covers regulatory principles, Covers physical principles, In-depth explanations, Written by senior residents

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clinical Tree free?

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

### Is NucApp free?

NucApp costs $9.99, with no in-app purchases.

### Which has better reviews, Clinical Tree or NucApp?

Clinical Tree is rated higher. Clinical Tree averages 5.0 out of 5 from 7 ratings, while NucApp averages 4.5 from 8 ratings.

### Do Clinical Tree or NucApp have ads?

Neither Clinical Tree nor NucApp shows ads.

### Which is updated more often, Clinical Tree or NucApp?

Clinical Tree ships an update monthly, and NucApp weekly. Most recently, Clinical Tree was updated on September 10, 2026 and NucApp on August 11, 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.*