# Freediving Breath Trainer vs Stealth Training System

The clearest difference is in-app purchases: Stealth Training System at none against Freediving Breath Trainer's 4. Stealth Training System also leads on iOS requirement (15.0 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Freediving Breath Trainer sells 3 in-app purchases, starting at $3.49 per month. Stealth Training System asks for nothing beyond the download.

Freediving Breath Trainer ships an update every 9 days, Stealth Training System fortnightly. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Freediving Breath Trainer | Stealth Training System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/freediving-breath-trainer/id6444132831/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 25 MB | 4 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Rockett](https://appshunter.io/developer/1052709623) | [Michael Walters](https://appshunter.io/developer/6785952333) |

## What reviewers say

### Freediving Breath Trainer

[App page](https://appshunter.io/ios/app/freediving-breath-trainer/id6444132831)

This app helps you improve your breath-holding capabilities for freediving. It offers personalized training plans based on an initial breath test and tracks your progress to help you achieve longer underwater times.

**Highlights:** Personalized training plans, Initial breath test, Progress tracking, Extended breath hold times, Enhanced breath control

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $3.49 | per month |
| Pro | $14.99 | per year |
| Pro | $32.99 | one-time |


### 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 Freediving Breath Trainer free?

Freediving Breath Trainer is free to download, with in-app purchases available.

### Is Stealth Training System free?

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

### Do Freediving Breath Trainer or Stealth Training System have ads?

Neither Freediving Breath Trainer nor Stealth Training System shows ads.

### Which is updated more often, Freediving Breath Trainer or Stealth Training System?

Freediving Breath Trainer ships an update every 9 days, and Stealth Training System fortnightly. Most recently, Freediving Breath Trainer was updated on October 8, 2026 and Stealth Training System on October 13, 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.*