# 3D Инструменты хирурга PRO vs ECG Trainer

The clearest difference is in-app purchases: 3D Инструменты хирурга PRO at none against ECG Trainer's 1. 3D Инструменты хирурга PRO also leads on device support (3 vs 1) and iOS requirement (8.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ECG Trainer sells 1 one-off in-app purchase. 3D Инструменты хирурга PRO asks for nothing beyond the download.

3D Инструменты хирурга PRO ships an update every 9 days, ECG Trainer every 3 weeks. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 3D Инструменты хирурга PRO | ECG Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ecg-trainer/id6760586769/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 334 MB | 39 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Adelante, OOO](https://appshunter.io/developer/1139156074) | [Oleksandr Galaguta](https://appshunter.io/developer/1885178132) |

## What reviewers say

### 3D Инструменты хирурга PRO

[App page](https://appshunter.io/ios/app/3d-pro/id1341573244)

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

**In-app purchases:** none


### ECG Trainer

[App page](https://appshunter.io/ios/app/ecg-trainer/id6760586769)

This app offers an interactive way to practice recognizing ECG patterns using real cardiograms. It provides diagnostic criteria and flexible training settings to help users master ECG interpretation for educational purposes.

**Highlights:** Real ECG examples, Diagnostic criteria explanations, Accessible pathology descriptions, Flexible training configurations, Focus on ECG signs

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is 3D Инструменты хирурга PRO free?

3D Инструменты хирурга PRO is free to download, with no in-app purchases.

### Is ECG Trainer free?

ECG Trainer is free to download, with in-app purchases available.

### Do 3D Инструменты хирурга PRO or ECG Trainer have ads?

Neither 3D Инструменты хирурга PRO nor ECG Trainer shows ads.

### Which is updated more often, 3D Инструменты хирурга PRO or ECG Trainer?

3D Инструменты хирурга PRO ships an update every 9 days, and ECG Trainer every 3 weeks. Most recently, 3D Инструменты хирурга PRO was updated on October 1, 2026 and ECG Trainer on October 9, 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.*