# Heartbeat Pulse Detection vs CalmStack

The clearest difference is iOS requirement: Heartbeat Pulse Detection at 13.0 against CalmStack's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Heartbeat Pulse Detection sells 3 in-app purchases, starting at $9.99 per 7 days and CalmStack sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Heartbeat Pulse Detection ships an update every 9 days, CalmStack fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Heartbeat Pulse Detection | CalmStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/heartbeat-pulse-detection-life/id6469593203/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 19.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 125 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [PHOEBE CHOOI SIA LEE](https://appshunter.io/developer/6781624460) | [EKREM BINGOL](https://appshunter.io/developer/1866041139) |

## What reviewers say

### Heartbeat Pulse Detection

[App page](https://appshunter.io/ios/app/heartbeat-pulse-detection-life/id6469593203)

Monitor your heart rate, blood pressure, and blood sugar levels with this health tracking app. It offers personalized analysis and a sleep function to help you manage your well-being. Get insights into your health status and make informed decisions for a healthier lifestyle.

**Highlights:** Track heart rate trends, Record blood pressure, Record blood sugar levels, Sleep function, Personalized health analysis, Measure pulse via camera

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heartbeat-PRO | $9.99 | per 7 days |
| Heartbeat-PRO | $19.99 | per year |
| Heartbeat-Year PRO | $39.99 | per year |

**What reviewers like**

- ❤️ Excellent heart rate monitoring
- 🚀 Great performance
- 👍 User-friendly interface

**What reviewers complain about**

- 🚫 Misleading advertising
- 💰 Expensive subscription
- 🐛 Inaccurate measurements
- 📢 Excessive ads

**Reported bugs**

- App crashes frequently
- Unable to cancel subscription
- Incorrect health data reporting

**Requested features**

- Add blood sugar measurement
- Improve blood pressure tracking
- Provide Turkish language support


### CalmStack

[App page](https://appshunter.io/ios/app/calmstack/id6757318937)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is Heartbeat Pulse Detection free?

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

### Is CalmStack free?

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

### Do Heartbeat Pulse Detection or CalmStack have ads?

Both Heartbeat Pulse Detection and CalmStack show ads.

### Which is updated more often, Heartbeat Pulse Detection or CalmStack?

Heartbeat Pulse Detection ships an update every 9 days, and CalmStack fortnightly. Most recently, Heartbeat Pulse Detection was updated on October 27, 2026 and CalmStack on October 25, 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.*