# CalmPulseD vs 37 Breaths

The clearest difference is update cadence: 37 Breaths at monthly against CalmPulseD's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CalmPulseD ships an update every 5 months, 37 Breaths monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CalmPulseD | 37 Breaths |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 1 MB | 2 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [NEYBOAPP LLC](https://appshunter.io/developer/1846982935) | [Matthew Bouchard](https://appshunter.io/developer/6787510282) |

## What reviewers say

### CalmPulseD

[App page](https://appshunter.io/ios/app/calmpulsed/id6754185252)

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

**In-app purchases:** none


### 37 Breaths

[App page](https://appshunter.io/ios/app/37-breaths/id6787510280)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalmPulseD free?

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

### Is 37 Breaths free?

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

### Do CalmPulseD or 37 Breaths have ads?

Neither CalmPulseD nor 37 Breaths shows ads.

### Which is updated more often, CalmPulseD or 37 Breaths?

CalmPulseD ships an update every 5 months, and 37 Breaths monthly. Most recently, CalmPulseD was updated on October 25, 2026 and 37 Breaths on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*