# ECG vs OneWelbeck

The clearest difference is update cadence: OneWelbeck at fortnightly against ECG's every 3 months. ECG's advantage is review sentiment (67% vs 50%) and iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ECG ships an update every 3 months, OneWelbeck fortnightly. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ECG | OneWelbeck |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 51 MB | 68 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Technomed Ltd](https://appshunter.io/developer/1440983538) | [Ambulatory Surgery International Ltd.](https://appshunter.io/developer/1464158369) |

## What reviewers say

### ECG

[App page](https://appshunter.io/ios/app/ecg-od-tracker/id1440983539)

Easily record symptoms experienced during a Holter monitoring session. This tool helps transmit your symptom notes to your clinician for review alongside your ECG recording. It does not provide diagnoses or medical advice and is not for emergencies.

**Highlights:** Record symptoms during Holter monitoring, Transmit symptom notes to clinician, Convenient symptom logging tool, Compatible with iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### OneWelbeck

[App page](https://appshunter.io/ios/app/onewelbeck/id1464158370)

This digital companion supports patients before and after medical procedures. It provides stage-by-stage videos from your clinical team and relevant, accessible information for each step of your journey. The app integrates with Apple Health for personalized targets and encouragement.

**Highlights:** Stage-by-stage procedure videos, Clinical team insights, Accessible, relevant information, Apple Health integration, Personalized targets and encouragement

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ECG free?

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

### Is OneWelbeck free?

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

### Do ECG or OneWelbeck have ads?

Neither ECG nor OneWelbeck shows ads.

### Which is updated more often, ECG or OneWelbeck?

ECG ships an update every 3 months, and OneWelbeck fortnightly. Most recently, ECG was updated on October 14, 2026 and OneWelbeck 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.*