# Biow vs Biofoton 2

The clearest difference is update cadence: Biofoton 2 at fortnightly against Biow's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Biow ships an update every 3 months, Biofoton 2 fortnightly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Biow | Biofoton 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/biow/id1472171569/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 64 MB | 58 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Data Monitoring](https://appshunter.io/developer/1361669407) | [Silversalud](https://appshunter.io/developer/1531298685) |

## What reviewers say

### Biow

[App page](https://appshunter.io/ios/app/biow/id1472171569)

This app provides a cellular rest and oxygenation unit that purifies the air you breathe during sleep. It eliminates allergens, toxins, viruses, and bacteria, improving respiratory capacity and circulation for better sleep and reduced signs of aging.

**Highlights:** Cellular rest and oxygenation, Air nanofiltration, Respiratory sweep treatment, Eliminates allergens and toxins, Reduces snoring and apneas, Improves circulation

**Features:** macOS Compatibility

**In-app purchases:** none


### Biofoton 2

[App page](https://appshunter.io/ios/app/biofoton-2/id1540559778)

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

**In-app purchases:** none


## Frequently asked questions

### Is Biow free?

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

### Is Biofoton 2 free?

Biofoton 2 is free to download, with no in-app purchases.

### Do Biow or Biofoton 2 have ads?

Neither Biow nor Biofoton 2 shows ads.

### Which is updated more often, Biow or Biofoton 2?

Biow ships an update every 3 months, and Biofoton 2 fortnightly. Most recently, Biow was updated on October 19, 2026 and Biofoton 2 on October 24, 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.*