# moonbird breathing coach vs ChainFlow

The clearest difference is rating: ChainFlow at 5.0 against moonbird breathing coach's 2.3. moonbird breathing coach's advantage is update cadence (weekly vs every 2 months) and ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. moonbird breathing coach sells 2 in-app purchases, starting at $9.99 per month and ChainFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ChainFlow holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

moonbird breathing coach ships an update weekly, ChainFlow every 2 months. The most recent releases landed on September 10, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | moonbird breathing coach | ChainFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/moonbird-breathing-coach/id6751544333/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chainflow-interval-timer/id6755700190/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | Freemium |
| Size | 109 MB | 22 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moonbird](https://appshunter.io/developer/1496625489) | [Michael Ebako-Hodgson](https://appshunter.io/developer/1855675493) |

## What reviewers say

### moonbird breathing coach

[App page](https://appshunter.io/ios/app/moonbird-breathing-coach/id6751544333)

This app guides your breathing using a connected device to help you relax, focus, and sleep better. It offers personalized rhythms based on your body's response and provides insights into your health metrics. Experience a multi-sensory approach to stress reduction and improved well-being.

**Highlights:** Personalized breathing rhythm discovery, Tactile device guidance, Immersive audio experiences, Real-time biofeedback, Health insights and trend tracking, Wearable device integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $49.99 | per year |


### ChainFlow

[App page](https://appshunter.io/ios/app/chainflow-interval-timer/id6755700190)

Create highly customized interval timers for any routine, from HIIT workouts to study sessions. Set unique work and rest periods for each segment, with clear audio cues and a distraction-free interface. Save your routines for easy access and hands-free operation.

**Highlights:** Custom interval chaining, Adjustable work/rest times per interval, Clear audio cues, Hands-free operation, Screen-off functionality, Routine saving, Dark interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChainFlow Pro | $4.99 | one-time |


## Frequently asked questions

### Is moonbird breathing coach free?

moonbird breathing coach is free to download, with in-app purchases available.

### Is ChainFlow free?

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

### Which has better reviews, moonbird breathing coach or ChainFlow?

ChainFlow is rated higher. moonbird breathing coach averages 2.3 out of 5 from 4 ratings, while ChainFlow averages 5.0 from 1 ratings.

### Do moonbird breathing coach or ChainFlow have ads?

Neither moonbird breathing coach nor ChainFlow shows ads.

### Which is updated more often, moonbird breathing coach or ChainFlow?

moonbird breathing coach ships an update weekly, and ChainFlow every 2 months. Most recently, moonbird breathing coach was updated on September 10, 2026 and ChainFlow on September 3, 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.*