# Pulse CQ vs ECG Audio

The clearest difference is update cadence: Pulse CQ at every 3 weeks against ECG Audio's every 2 months. Pulse CQ also leads on iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pulse CQ sells 1 in-app purchase, starting at $0.49 per 7 days and ECG Audio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pulse CQ ships an update every 3 weeks, ECG Audio every 2 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Pulse CQ | ECG Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/pulse-cq/id1363163570/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 21 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CardioQVARK, OOO](https://appshunter.io/developer/1320898121) | [Nordavind](https://appshunter.io/developer/637520063) |

## What reviewers say

### Pulse CQ

[App page](https://appshunter.io/ios/app/pulse-cq/id1363163570)

Connect a heart rate monitor to your iPhone to track your pulse and blood oxygen levels in real-time. Unlock advanced features like blood pressure and respiration rate calculations with an optional subscription.

**Highlights:** Real-time pulse monitoring, Blood oxygen saturation tracking, Connects to CardioQVARK device, Blood pressure calculation (subscription), Respiration rate calculation (subscription)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Расчет АД | $0.49 | per 7 days |


### 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 |


## Frequently asked questions

### Is Pulse CQ free?

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

### Is ECG Audio free?

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

### Do Pulse CQ or ECG Audio have ads?

Neither Pulse CQ nor ECG Audio shows ads.

### Which is updated more often, Pulse CQ or ECG Audio?

Pulse CQ ships an update every 3 weeks, and ECG Audio every 2 months. Most recently, Pulse CQ was updated on October 20, 2026 and ECG Audio 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.*