# iSpeak App vs Clinical Tree

The clearest difference is in-app purchases: iSpeak App at none against Clinical Tree's 10. iSpeak App also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

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

iSpeak App ships an update every 6 weeks, Clinical Tree monthly. Both last shipped on November 7, 2026.

## The numbers

| Metric | iSpeak App | 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 | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 83 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [iDO Technologies UAB](https://appshunter.io/developer/1592718054) | [Duc Nguyen](https://appshunter.io/developer/1698359793) |

## What reviewers say

### iSpeak App

[App page](https://appshunter.io/ios/app/ispeak-app-swipe-and-learn/id1592718052)

**Features:** macOS Compatibility

**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 iSpeak App free?

iSpeak App 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 iSpeak App or Clinical Tree have ads?

Neither iSpeak App nor Clinical Tree shows ads.

### Which is updated more often, iSpeak App or Clinical Tree?

iSpeak App ships an update every 6 weeks, and Clinical Tree monthly. Most recently, iSpeak App was updated on November 7, 2026 and Clinical Tree on November 7, 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.*