# ROC curve vs AI ECG Patch

The clearest difference is rating: ROC curve at 5.0 against AI ECG Patch's 1.0. AI ECG Patch's advantage is update cadence (every 8 months vs every 29 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ROC curve holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ROC curve ships an update every 29 months, AI ECG Patch every 8 months. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ROC curve | AI ECG Patch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roc-curve/id1225010309/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ai-ecg-patch/id6475814864/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 8 months** |
| Monetization | Free | Free |
| Size | 8 MB | 17 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Keiji Matsui](https://appshunter.io/developer/365287272) | [Shenzhen Benevolence Medical Sci&Tech Co.,Ltd.](https://appshunter.io/developer/1453807967) |

## What reviewers say

### ROC curve

[App page](https://appshunter.io/ios/app/roc-curve/id1225010309)

This medical application simplifies the creation of Receiver Operating Characteristic (ROC) curves. Users input patient and control data, then generate the curve with a single button press.

**Highlights:** ROC curve generation, Patient data input, Control data input, One-click ROC button

**Features:** macOS Compatibility

**In-app purchases:** none


### AI ECG Patch

[App page](https://appshunter.io/ios/app/ai-ecg-patch/id6475814864)

This medical app works with a single-lead ECG patch to provide quick and easy heart monitoring. It offers various measurement modes, real-time waveform viewing, and generates AI-powered reports with detailed analysis to assist in cardiovascular diagnosis.

**Highlights:** Single-lead ECG patch compatibility, Multiple short-term and Holter measurement modes, Real-time ECG and heart rate waveform viewing, Multi-state status reminders, AI-generated, detailed ECG analysis reports, Device binding options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ROC curve free?

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

### Is AI ECG Patch free?

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

### Which has better reviews, ROC curve or AI ECG Patch?

ROC curve is rated higher. ROC curve averages 5.0 out of 5 from 1 ratings, while AI ECG Patch averages 1.0 from 1 ratings.

### Do ROC curve or AI ECG Patch have ads?

Neither ROC curve nor AI ECG Patch shows ads.

### Which is updated more often, ROC curve or AI ECG Patch?

ROC curve ships an update every 29 months, and AI ECG Patch every 8 months. Most recently, ROC curve was updated on October 5, 2026 and AI ECG Patch on October 13, 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.*