# Rotaid 3D vs AI ECG Patch

Rotaid 3D and AI ECG Patch are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Rotaid 3D ships an update every 13 months, AI ECG Patch every 8 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Rotaid 3D | AI ECG Patch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ai-ecg-patch/id6475814864/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 8 months** |
| Monetization | — | Free |
| Size | 199 MB | 17 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mindflower AB](https://appshunter.io/developer/978673993) | [Shenzhen Benevolence Medical Sci&Tech Co.,Ltd.](https://appshunter.io/developer/1453807967) |

## What reviewers say

### Rotaid 3D

[App page](https://appshunter.io/ios/app/rotaid-3d/id1357235395)

**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 Rotaid 3D free?

Rotaid 3D 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.

### Do Rotaid 3D or AI ECG Patch have ads?

Neither Rotaid 3D nor AI ECG Patch shows ads.

### Which is updated more often, Rotaid 3D or AI ECG Patch?

Rotaid 3D ships an update every 13 months, and AI ECG Patch every 8 months. Most recently, Rotaid 3D was updated on October 10, 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.*