# Freediving Apnea Exercise vs BiohackMe

The clearest difference is in-app purchases: BiohackMe at none against Freediving Apnea Exercise's 2. BiohackMe also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Freediving Apnea Exercise sells 2 in-app purchases, starting at $5.99 per month. BiohackMe asks for nothing beyond the download.

Freediving Apnea Exercise ships an update every 3 weeks, BiohackMe every 2 weeks. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Freediving Apnea Exercise | BiohackMe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/freediving-apnea-exercise/id6479372267/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 55 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Taras Chernyshenko](https://appshunter.io/developer/1308198759) | [Camilla Thompson](https://appshunter.io/developer/6782300815) |

## What reviewers say

### Freediving Apnea Exercise

[App page](https://appshunter.io/ios/app/freediving-apnea-exercise/id6479372267)

Enhance your breath-hold capacity and underwater performance with specialized CO2 and O2 training tables. This app also offers box breathing exercises for stress management and improved focus. Perfect for freedivers, snorkelers, and surfers looking to extend their time in the water.

**Highlights:** CO2 and O2 training tables, Progress tracking, User-friendly interface, Daily reminders, Box breathing exercises, Stress management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $5.99 | per month |
| Yearly Membership | $29.99 | per year |


### BiohackMe

[App page](https://appshunter.io/ios/app/biohackme/id6782300813)

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

**In-app purchases:** none


## Frequently asked questions

### Is Freediving Apnea Exercise free?

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

### Is BiohackMe free?

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

### Do Freediving Apnea Exercise or BiohackMe have ads?

Neither Freediving Apnea Exercise nor BiohackMe shows ads.

### Which is updated more often, Freediving Apnea Exercise or BiohackMe?

Freediving Apnea Exercise ships an update every 3 weeks, and BiohackMe every 2 weeks. Most recently, Freediving Apnea Exercise was updated on September 8, 2026 and BiohackMe on September 23, 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.*