# Opti Brain vs OxyZen

The clearest difference is review sentiment: OxyZen at 100% against Opti Brain's 37%. OxyZen also leads on rating (5.0 vs 3.7) and in-app purchases (none vs 2). Opti Brain's advantage is ratings volume (13 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Opti Brain sells 2 in-app purchases, starting at $9.99 per month. OxyZen asks for nothing beyond the download.

OxyZen holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Opti Brain has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 37% of Opti Brain's written reviews are positive against 100% of OxyZen's.

Opti Brain ships an update every 3 months, OxyZen every 9 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Opti Brain | OxyZen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (13 ratings)](https://appshunter.io/ios/app/opti-brain/id1029982015/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/oxyzen/id6479008087/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 36.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 159 MB | 132 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Optiherence](https://appshunter.io/developer/948846804) | [BrainCo Inc](https://appshunter.io/developer/1148192149) |

## What reviewers say

### Opti Brain

[App page](https://appshunter.io/ios/app/opti-brain/id1029982015)

Visualize and map your brain activity using compatible headbands. Record, save, and compare brain data to understand your cognitive patterns. Discover your optimal performance state and analyze brain activity during various activities.

**Highlights:** Brain activity mapping, Data collection and saving, Customizable collections, Map and movie creation, Brain pattern interpretation, Activity-based comparison

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Opti Subscription | $9.99 | per month |
| Yearly Opti Subscription | $99.99 | per year |


### 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 Opti Brain free?

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

### Is OxyZen free?

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

### Which has better reviews, Opti Brain or OxyZen?

OxyZen is rated higher. Opti Brain averages 3.7 out of 5 from 13 ratings, while OxyZen averages 5.0 from 2 ratings.

### Do Opti Brain or OxyZen have ads?

Neither Opti Brain nor OxyZen shows ads.

### Which is updated more often, Opti Brain or OxyZen?

Opti Brain ships an update every 3 months, and OxyZen every 9 days. Most recently, Opti Brain was updated on October 5, 2026 and OxyZen on October 11, 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.*