# OxyBoost vs inDepth Apnea

The clearest difference is in-app purchases: inDepth Apnea at none against OxyBoost's 3. inDepth Apnea also leads on iOS requirement (15.0 vs 26.2). OxyBoost's advantage is update cadence (every 2 days vs every 6 days). On price, ads and device support there is nothing between them.

Both are free to download. OxyBoost sells 3 in-app purchases, starting at $1.99 per month. inDepth Apnea asks for nothing beyond the download.

OxyBoost ships an update every 2 days, inDepth Apnea every 6 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OxyBoost | inDepth Apnea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/indepth-apnea/id6796742901/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Monetization | — | Free |
| Size | 24 MB | 45 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Artem Verbat](https://appshunter.io/developer/1787150868) | [Mariusz Kociubinski](https://appshunter.io/developer/1568496751) |

## What reviewers say

### OxyBoost

[App page](https://appshunter.io/ios/app/oxyboost-apnea-trainer/id6739809272)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $1.99 | per month |
| Pro (Yearly) | $11.99 | per year |
| Pro (Yearly) | $19.99 | per year |


### inDepth Apnea

[App page](https://appshunter.io/ios/app/indepth-apnea/id6796742901)

This app is a breath-hold trainer designed for freedivers and spearfishermen. It offers various training tables and exercises that adapt to your personal best, with voice and haptic cues to guide you through each session. Track your progress, analyze your performance, and plan your training week effectively.

**Highlights:** Adaptive CO2 and O2 tables, Static holds and apnea walks, Voice and haptic cues, Personalized training plans, Session logbook with trends, CSV export and backup

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

**In-app purchases:** none


## Frequently asked questions

### Is OxyBoost free?

OxyBoost is free to download, with in-app purchases available.

### Is inDepth Apnea free?

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

### Do OxyBoost or inDepth Apnea have ads?

Neither OxyBoost nor inDepth Apnea shows ads.

### Which is updated more often, OxyBoost or inDepth Apnea?

OxyBoost ships an update every 2 days, and inDepth Apnea every 6 days. Most recently, OxyBoost was updated on October 2, 2026 and inDepth Apnea on October 14, 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.*