# LEONYX vs ECG Suite

The clearest difference is in-app purchases: LEONYX at none against ECG Suite's 2. ECG Suite's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

LEONYX ships an update weekly, ECG Suite every 6 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | LEONYX | ECG Suite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/ecg-suite/id6759203712/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Paid |
| Size | 90 MB | 51 MB |
| Requires iOS | 15.1 | **14.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jana Gamble](https://appshunter.io/developer/1826021265) | [文西 徐](https://appshunter.io/developer/1874614501) |

## What reviewers say

### LEONYX

[App page](https://appshunter.io/ios/app/leonyx/id6748514335)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECG Suite

[App page](https://appshunter.io/ios/app/ecg-suite/id6759203712)

Continuously track your heart rate patterns for fitness monitoring and research. Connect your Apple Watch, Polar H10, or Bluetooth strap to capture ECG waveforms and BPM data. Organize historical data into easy-to-understand daily, weekly, and monthly trends.

**Highlights:** Long-term continuous heart rate tracking, Real-time ECG waveform capture, RR interval data recording, BPM monitoring via Bluetooth strap, Historical data organization, Daily, weekly, and monthly trend visualization

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $9.99 | per year |


## Frequently asked questions

### Is LEONYX free?

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

### Is ECG Suite free?

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

### Do LEONYX or ECG Suite have ads?

LEONYX shows ads; ECG Suite does not.

### Which is updated more often, LEONYX or ECG Suite?

LEONYX ships an update weekly, and ECG Suite every 6 days. Most recently, LEONYX was updated on October 25, 2026 and ECG Suite on October 19, 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.*