# Pocket Heart vs Cathlas

The clearest difference is in-app purchases: Cathlas at none against Pocket Heart's 2. Cathlas also leads on review sentiment (100% vs 78%) and rating (5.0 vs 4.7). Pocket Heart's advantage is ratings volume (493 vs 18). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pocket Heart sells 2 in-app purchases, starting at $0.99 per month. Cathlas asks for nothing beyond the download.

Cathlas holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Pocket Heart has 493 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 78% of Pocket Heart's written reviews are positive against 100% of Cathlas's.

## The numbers

| Metric | Pocket Heart | Cathlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (493 ratings)](https://appshunter.io/ios/app/pocket-heart/id384060873/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/cathlas/id1536276704/reviews)** |
| Number of ratings | **493** | 18 |
| Positive reviews | 77.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Subscription | **Free** |
| Size | 226 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [EMEDIA INTERACTIVE LIMITED](https://appshunter.io/developer/330292122) | [Spectre Software Inc.](https://appshunter.io/developer/1439952651) |

## What reviewers say

### Pocket Heart

[App page](https://appshunter.io/ios/app/pocket-heart/id384060873)

This interactive 3D cardiology app offers a beautiful and engaging way to learn about the human heart. It features detailed anatomical and clinical content, intuitive navigation, and interactive quizzes for self-paced learning. Ideal for medical professionals, students, and educators.

**Highlights:** Interactive 3D heart model, Detailed anatomical and clinical content, Intuitive 3D navigation, Multiple quiz types for self-paced learning, Multimedia learning content, Patient communication tool

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $9.49 | per year |

**What reviewers like**

- 🎨 Stunning 3D graphics and visual presentation
- 📚 Excellent educational resource for students and professionals
- 🔄 Interactive 3D rotation and zoom capabilities
- 💓 Realistic heart animation and beating visualization
- 👨‍⚕️ Useful tool for doctors to explain to patients

**What reviewers complain about**

- ❌ Incorrect quiz answers and medical inaccuracies
- 🐛 Heartbeat sound feature not functioning
- 📐 Layout issues - text too small and menu positioning problems
- 💳 Misleading free trial payment model
- 🔧 Limited customization options

**Reported bugs**

- Heartbeat sound/audio playback not working
- Menu displaying vertically instead of at bottom on some devices
- Difficulty rotating heart on iPhone 5
- Reduced zoom capability in newer versions
- Compatibility issues with newer iOS versions

**Requested features**

- Adjustable text size and menu positioning
- Apple Watch integration with real-time heart rate sync
- Customizable heart pulse/beat rate
- Internal 3D heart dissection from multiple angles
- Visualization of heart pathologies and diseases (myocardial infarction, arrhythmias, congenital defects)


### Cathlas

[App page](https://appshunter.io/ios/app/cathlas/id1536276704)

This medical reference app provides a collection of rare and important video images related to coronary angiography. It allows users to contribute educational content, which is then reviewed by experts before publication. The app serves as a practical aid for interventional cardiology professionals.

**Highlights:** Rare and important video images, Coronary artery anatomy, Complication recognition, Congenital heart disease, Mechanical valve fluoroscopies, Intracoronary imaging, Diagnostic skill practice

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

**In-app purchases:** none


## Frequently asked questions

### Is Pocket Heart free?

Pocket Heart is free to download, with in-app purchases available.

### Is Cathlas free?

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

### Which has better reviews, Pocket Heart or Cathlas?

Cathlas is rated higher. Pocket Heart averages 4.7 out of 5 from 493 ratings, while Cathlas averages 5.0 from 18 ratings.

### Do Pocket Heart or Cathlas have ads?

Neither Pocket Heart nor Cathlas shows ads.

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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.*