# OxyBoost vs Molchanovs

The clearest difference is update cadence: OxyBoost at every 2 days against Molchanovs's every 11 days. Molchanovs's advantage is iOS requirement (15.1 vs 26.2). On price, ads, in-app purchases 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 and Molchanovs sells 15 in-app purchases, starting at $29.00 per month. Whichever you choose, the download price is not the number that matters.

OxyBoost ships an update every 2 days, Molchanovs every 11 days. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | OxyBoost | Molchanovs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 11 days |
| Size | 23 MB | 50 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Artem Verbat](https://appshunter.io/developer/1787150868) | [Molchanovs Pte. Ltd.](https://appshunter.io/developer/1435221236) |

## 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 |


### Molchanovs

[App page](https://appshunter.io/ios/app/molchanovs/id6740040902)

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $29.00 | per month |
| Yearly Subscription | $179.00 | per year |
| Frenzel Fundamentals | $20.00 | one-time |
| No-Fins Fundamentals | $48.00 | one-time |
| Master Equalization Volume | $48.00 | one-time |
| Florian Dagoury's 5 Challenge | $50.00 | one-time |
| Florian Dagoury's 4 Challenge | $50.00 | one-time |
| Florian Dagoury's 3 Challenge | $50.00 | one-time |
| Bifinning Fundamentals | $50.00 | one-time |
| Wave 2 Preparation | $100.00 | one-time |
| FSPA | $150.00 | one-time |
| Breathwork (Practice) | $179.00 | one-time |
| Breathwork (Practice + Theory) | $249.99 | one-time |
| Breathwork (T + P + I) | $349.00 | one-time |
| VIP Coaching With Alexey | $1000.00 | one-time |


## Frequently asked questions

### Is OxyBoost free?

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

### Is Molchanovs free?

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

### Do OxyBoost or Molchanovs have ads?

Neither OxyBoost nor Molchanovs shows ads.

### Which is updated more often, OxyBoost or Molchanovs?

OxyBoost ships an update every 2 days, and Molchanovs every 11 days. Most recently, OxyBoost was updated on September 15, 2026 and Molchanovs on September 17, 2026.

---

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