# HIIT It vs Cardiac Coherence Breathing

The clearest difference is in-app purchases: Cardiac Coherence Breathing at none against HIIT It's 2. Cardiac Coherence Breathing also leads on iOS requirement (16.4 vs 18.6). HIIT It's advantage is update cadence (every 2 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HIIT It sells 2 in-app purchases, starting at $1.99 per month. Cardiac Coherence Breathing asks for nothing beyond the download.

HIIT It ships an update every 2 days, Cardiac Coherence Breathing every 5 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HIIT It | Cardiac Coherence Breathing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cardiac-coherence-breathing/id6759764067/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | — | Free |
| Size | 16 MB | 10 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Ramilo](https://appshunter.io/developer/1777640132) | [Genux LLC](https://appshunter.io/developer/1880543506) |

## What reviewers say

### HIIT It

[App page](https://appshunter.io/ios/app/hiit-it-interval-timer/id6755100995)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $9.99 | per year |


### Cardiac Coherence Breathing

[App page](https://appshunter.io/ios/app/cardiac-coherence-breathing/id6759764067)

This app offers a simple, science-backed breathing exercise to reduce stress, improve focus, and enhance well-being in just 5 minutes a day. It helps balance your nervous system, boost heart rate variability, and promotes better sleep. The practice is easier than meditation and can be done anywhere, even offline.

**Highlights:** 5-minute daily breathing practice, Stress and anxiety reduction, Improved focus and mindfulness, Enhanced sleep quality, Heart rate variability (HRV) boost, Offline functionality, Progress tracking and motivation

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

**In-app purchases:** none


## Frequently asked questions

### Is HIIT It free?

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

### Is Cardiac Coherence Breathing free?

Cardiac Coherence Breathing is free to download, with no in-app purchases.

### Do HIIT It or Cardiac Coherence Breathing have ads?

Neither HIIT It nor Cardiac Coherence Breathing shows ads.

### Which is updated more often, HIIT It or Cardiac Coherence Breathing?

HIIT It ships an update every 2 days, and Cardiac Coherence Breathing every 5 weeks. Most recently, HIIT It was updated on October 17, 2026 and Cardiac Coherence Breathing on October 24, 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.*