# Brain spa(N3) vs OxyZen

The clearest difference is update cadence: OxyZen at every 9 days against Brain spa(N3)'s every 6 weeks. OxyZen also leads on iOS requirement (12.0 vs 15.6). 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.

Brain spa(N3) ships an update every 6 weeks, OxyZen every 9 days. The most recent releases landed on June 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Brain spa(N3) | OxyZen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/oxyzen/id6479008087/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 12 MB | 132 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [N.CER Co., Limited](https://appshunter.io/developer/1537925998) | [BrainCo Inc](https://appshunter.io/developer/1148192149) |

## What reviewers say

### Brain spa(N3)

[App page](https://appshunter.io/ios/app/brain-span3/id6478898385)

**Features:** macOS Compatibility

**In-app purchases:** none


### OxyZen

[App page](https://appshunter.io/ios/app/oxyzen/id6479008087)

This app uses an EEG-sensing headband to provide real-time neurofeedback for stress relief, better sleep, and improved focus. It offers personalized mindfulness plans, comprehensive reports, and guided meditations to enhance your mental well-being.

**Highlights:** Real-time neurofeedback, Comprehensive bio-data reports, Personalized mindfulness plans, Guided meditations and soundscapes, Group mindfulness practice, Gamified expert challenges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain spa(N3) free?

Brain spa(N3) is free to download, with no in-app purchases.

### Is OxyZen free?

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

### Do Brain spa(N3) or OxyZen have ads?

Neither Brain spa(N3) nor OxyZen shows ads.

### Which is updated more often, Brain spa(N3) or OxyZen?

Brain spa(N3) ships an update every 6 weeks, and OxyZen every 9 days. Most recently, Brain spa(N3) was updated on June 22, 2026 and OxyZen on September 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.*