# Heart Safe Alerts vs CalmPulse リラックスチェック

The clearest difference is in-app purchases: CalmPulse リラックスチェック at none against Heart Safe Alerts's 1. CalmPulse リラックスチェック also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Heart Safe Alerts sells 1 one-off in-app purchase. CalmPulse リラックスチェック asks for nothing beyond the download.

Heart Safe Alerts ships an update every 2 months, CalmPulse リラックスチェック every 2 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Heart Safe Alerts | CalmPulse リラックスチェック |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/heart-safe-alerts/id6748107099/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 15 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chad Brown](https://appshunter.io/developer/1824362201) | [XEROGRAPHIX](https://appshunter.io/developer/314776003) |

## What reviewers say

### Heart Safe Alerts

[App page](https://appshunter.io/ios/app/heart-safe-alerts/id6748107099)

This app provides real-time heart rate monitoring with alerts for concerning levels. It connects to various Bluetooth LE monitors and displays session statistics in a clean interface. Future updates will include a 'Care Circle' feature to notify loved ones of critical heart rate events.

**Highlights:** Real-time heart rate monitoring, Bluetooth LE heart rate monitor connection, Session statistics (min, max, average BPM), Time in target/out of range tracking, Clean and intuitive interface, Dark mode support, Background operation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heart Alerts Pro | $4.99 | one-time |


### CalmPulse リラックスチェック

[App page](https://appshunter.io/ios/app/calmpulse/id6756478591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Heart Safe Alerts free?

Heart Safe Alerts is free to download, with in-app purchases available.

### Is CalmPulse リラックスチェック free?

CalmPulse リラックスチェック is free to download, with no in-app purchases.

### Do Heart Safe Alerts or CalmPulse リラックスチェック have ads?

Neither Heart Safe Alerts nor CalmPulse リラックスチェック shows ads.

### Which is updated more often, Heart Safe Alerts or CalmPulse リラックスチェック?

Heart Safe Alerts ships an update every 2 months, and CalmPulse リラックスチェック every 2 days. Most recently, Heart Safe Alerts was updated on October 30, 2026 and CalmPulse リラックスチェック on October 30, 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.*