# Watch ECG Pro vs ECG

The clearest difference is in-app purchases: ECG at none against Watch ECG Pro's 3. ECG also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Watch ECG Pro sells 3 in-app purchases, starting at $6.99 per 7 days. ECG asks for nothing beyond the download.

Watch ECG Pro ships an update every 2 months, ECG fortnightly. Both last shipped on October 27, 2026.

## The numbers

| Metric | Watch ECG Pro | ECG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (64 ratings)](https://appshunter.io/ios/app/watch-ecg-pro-deep-analysis/id1542744328/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 37 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Shenzhen Plus1Health Technology Co., Ltd](https://appshunter.io/developer/372583780) | [Putu Angga Risky Raharja](https://appshunter.io/developer/1164107753) |

## What reviewers say

### Watch ECG Pro

[App page](https://appshunter.io/ios/app/watch-ecg-pro-deep-analysis/id1542744328)

Monitor your heart rhythm and analyze ECG data from wearables or patch recorders. Receive detailed feedback and practical tips for improving your physical health. This app is for informational purposes and not a substitute for professional medical advice.

**Highlights:** Analyze ECG from Apple Watch or patch recorder, Measure and analyze pulse rhythm with phone camera, Real-time ECG data capture via Bluetooth, Detect cardiac rhythm, AFib, tachycardia, bradycardia, Export PDF ECG analysis reports, Track heart rate and provide health tips

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features 1 Week | $6.99 | per 7 days |
| Premium Features For 1 Year | $49.99 | per year |
| Premium Features (Permanent) | $129.99 | one-time |


### ECG

[App page](https://appshunter.io/ios/app/ecg-corrected-qt-interval/id1575723032)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Watch ECG Pro free?

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

### Is ECG free?

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

### Do Watch ECG Pro or ECG have ads?

Both Watch ECG Pro and ECG show ads.

### Which is updated more often, Watch ECG Pro or ECG?

Watch ECG Pro ships an update every 2 months, and ECG fortnightly. Most recently, Watch ECG Pro was updated on October 27, 2026 and ECG on October 27, 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.*