# Freediving Apnea Trainer vs Underwave Training

The clearest difference is in-app purchases: Underwave Training at none against Freediving Apnea Trainer's 1. Underwave Training also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Freediving Apnea Trainer's advantage is device support (5 vs 2). On price and iOS requirement there is nothing between them.

Both are free to download. Freediving Apnea Trainer sells 1 one-off in-app purchase. Underwave Training asks for nothing beyond the download.

Freediving Apnea Trainer ships an update every 2 months, Underwave Training every 3 weeks. The most recent releases landed on October 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Freediving Apnea Trainer | Underwave Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (277 ratings)](https://appshunter.io/ios/app/freediving-apnea-trainer/id1216253186/reviews)** | — |
| Number of ratings | **277** | — |
| Positive reviews | 75.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 146 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Pipkin](https://appshunter.io/developer/978829172) | [Augusto Carrara](https://appshunter.io/developer/1708869023) |

## What reviewers say

### Freediving Apnea Trainer

[App page](https://appshunter.io/ios/app/freediving-apnea-trainer/id1216253186)

This app helps improve breath-holding capabilities for freediving, underwater hunting, and yoga. It calculates personalized training tables based on your maximum breath-hold time and offers various exercises to enhance stamina and control. Track your progress with statistics and charts, and utilize customizable timers with voice and vibration notifications.

**Highlights:** Personalized training table calculation, Customizable square breath timer, Progress tracking with statistics, Bluetooth heart rate monitoring integration, AIDA time notifications, Contraction marking, Voice and vibration alerts

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Version | $12.99 | one-time |


### Underwave Training

[App page](https://appshunter.io/ios/app/underwave-training/id6467622177)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Freediving Apnea Trainer free?

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

### Is Underwave Training free?

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

### Do Freediving Apnea Trainer or Underwave Training have ads?

Freediving Apnea Trainer shows ads; Underwave Training does not.

### Which is updated more often, Freediving Apnea Trainer or Underwave Training?

Freediving Apnea Trainer ships an update every 2 months, and Underwave Training every 3 weeks. Most recently, Freediving Apnea Trainer was updated on October 17, 2026 and Underwave Training 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.*