# Breather Coach vs Second Sun

Breather Coach and Second Sun 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.

Breather Coach ships an update every 9 days, Second Sun every 5 days. The most recent releases landed on October 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Breather Coach | Second Sun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (31 ratings)](https://appshunter.io/ios/app/breather-coach/id6502618938/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 20.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 34 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [PN Medical](https://appshunter.io/developer/1405581475) | [MELVIN SHAWN SPRINGS](https://appshunter.io/developer/1895996070) |

## What reviewers say

### Breather Coach

[App page](https://appshunter.io/ios/app/breather-coach/id6502618938)

This app guides users through respiratory muscle training sessions, enhancing breathing and athletic performance. It offers free training plans and guided sessions, tracking progress over time. It is designed to be used with specific respiratory training devices.

**Highlights:** Free training plans, Guided breathing sessions, Progress tracking, Respiratory Muscle Training (RMT), Companion to Breather devices

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly
- 🚀 Improved features
- 💡 Gamification
- 👍 Motivating
- 👍 Visually appealing

**What reviewers complain about**

- 🐛 Buggy
- 🤔 Removed important features
- 👎 Boring visuals
- 👎 Difficult to use
- 👎 Lacks customization

**Reported bugs**

- Notifications on rest days
- Login issues
- Freezing during sessions
- Timing and audio issues

**Requested features**

- Ability to adjust breathing duration
- Show rep counts during exercises
- Add more supplemental videos
- Allow background use during exercises


### Second Sun

[App page](https://appshunter.io/ios/app/second-sun/id6765566879)

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

**In-app purchases:** none


## Frequently asked questions

### Is Breather Coach free?

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

### Is Second Sun free?

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

### Do Breather Coach or Second Sun have ads?

Neither Breather Coach nor Second Sun shows ads.

### Which is updated more often, Breather Coach or Second Sun?

Breather Coach ships an update every 9 days, and Second Sun every 5 days. Most recently, Breather Coach was updated on October 15, 2026 and Second Sun on September 19, 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.*