# Opti Brain vs Mental OS

The clearest difference is iOS requirement: Opti Brain at 12.4 against Mental OS's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Opti Brain sells 2 in-app purchases, starting at $9.99 per month and Mental OS sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Opti Brain | Mental OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (13 ratings)](https://appshunter.io/ios/app/opti-brain/id1029982015/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 36.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 159 MB | 65 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Optiherence](https://appshunter.io/developer/948846804) | [Camis AI LLC](https://appshunter.io/developer/1867113614) |

## 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 |


### Mental OS

[App page](https://appshunter.io/ios/app/mental-os/id6757458457)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental OS Premium | $4.99 | one-time |


## Frequently asked questions

### Is Opti Brain free?

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

### Is Mental OS free?

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

### Do Opti Brain or Mental OS have ads?

Neither Opti Brain nor Mental OS shows ads.

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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.*