# ECG Audio vs Cardiographer

The clearest difference is update cadence: Cardiographer at every 2 weeks against ECG Audio's every 2 months. ECG Audio's advantage is iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ECG Audio sells 1 one-off in-app purchase and Cardiographer sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ECG Audio ships an update every 2 months, Cardiographer every 2 weeks. The most recent releases landed on October 19, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ECG Audio | Cardiographer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 21 MB | 10 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nordavind](https://appshunter.io/developer/637520063) | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) |

## What reviewers say

### ECG Audio

[App page](https://appshunter.io/ios/app/ecg-audio/id1541142830)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full app version | $0.99 | one-time |


### Cardiographer

[App page](https://appshunter.io/ios/app/cardiographer/id6782079327)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $1.99 | per month |


## Frequently asked questions

### Is ECG Audio free?

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

### Is Cardiographer free?

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

### Do ECG Audio or Cardiographer have ads?

Neither ECG Audio nor Cardiographer shows ads.

### Which is updated more often, ECG Audio or Cardiographer?

ECG Audio ships an update every 2 months, and Cardiographer every 2 weeks. Most recently, ECG Audio was updated on October 19, 2026 and Cardiographer on October 28, 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.*