# ZEPHYRx Breathe Easy vs SoterCoach

ZEPHYRx Breathe Easy and SoterCoach are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ZEPHYRx Breathe Easy ships an update every 6 weeks, SoterCoach every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | ZEPHYRx Breathe Easy | SoterCoach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (17 ratings)](https://appshunter.io/ios/app/zephyrx-breathe-easy/id1499406809/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 361 MB | 39 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Jamboxx](https://appshunter.io/developer/1399569546) | [Soter Analytics LTD](https://appshunter.io/developer/1369231608) |

## What reviewers say

### ZEPHYRx Breathe Easy

[App page](https://appshunter.io/ios/app/zephyrx-breathe-easy/id1499406809)

This app guides users through spirometry tests with step-by-step instructions and motivational messages. It connects to a Bluetooth spirometer, records results, and sends data to a provider dashboard. Features include reminders, video coaching, and breathing exercise games.

**Highlights:** Step-by-step spirometry guidance, Bluetooth spirometer connectivity, Real-time data to provider dashboard, Spirometry task reminders, In-app video coaching, Breathing exercise games

**Features:** macOS Compatibility

**In-app purchases:** none


### SoterCoach

[App page](https://appshunter.io/ios/app/sotercoach/id1517618280)

**In-app purchases:** none


## Frequently asked questions

### Is ZEPHYRx Breathe Easy free?

ZEPHYRx Breathe Easy is free to download, with no in-app purchases.

### Is SoterCoach free?

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

### Do ZEPHYRx Breathe Easy or SoterCoach have ads?

Neither ZEPHYRx Breathe Easy nor SoterCoach shows ads.

### Which is updated more often, ZEPHYRx Breathe Easy or SoterCoach?

ZEPHYRx Breathe Easy ships an update every 6 weeks, and SoterCoach every 5 weeks. Most recently, ZEPHYRx Breathe Easy was updated on November 3, 2026 and SoterCoach on November 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.*