# Buteyko Pro vs Stealth Training System

Buteyko Pro and Stealth Training System 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.

Buteyko Pro ships an update every 3 weeks, Stealth Training System fortnightly. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Buteyko Pro | Stealth Training System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (45 ratings)](https://appshunter.io/ios/app/buteyko-pro/id875200706/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Eduard Reuvers](https://appshunter.io/developer/602976069) | [Michael Walters](https://appshunter.io/developer/6785952333) |

## What reviewers say

### Buteyko Pro

[App page](https://appshunter.io/ios/app/buteyko-pro/id875200706)

Learn and practice the Buteyko breathing method with guided exercises and progress tracking. This app offers a progressive training system with audio instructions, tips, and timers to improve your breathing and overall health. It integrates with courses and webinars for personalized instruction.

**Highlights:** Progressive Buteyko training system, 51 levels with audio instructions, Personal breathing charts, Breathing exercise history, Health indicator tracking, Share progress with instructors

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

**In-app purchases:** none


### Stealth Training System

[App page](https://appshunter.io/ios/app/stealth-training-system/id6785952331)

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

**In-app purchases:** none


## Frequently asked questions

### Is Buteyko Pro free?

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

### Is Stealth Training System free?

Stealth Training System is free to download, with no in-app purchases.

### Do Buteyko Pro or Stealth Training System have ads?

Neither Buteyko Pro nor Stealth Training System shows ads.

### Which is updated more often, Buteyko Pro or Stealth Training System?

Buteyko Pro ships an update every 3 weeks, and Stealth Training System fortnightly. Most recently, Buteyko Pro was updated on October 21, 2026 and Stealth Training System on October 13, 2026.

---

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