# Opti Brain vs MO

The clearest difference is in-app purchases: MO at none against Opti Brain's 2. Opti Brain's advantage is update cadence (every 3 months vs every 16 months) and device support (3 vs 1). On price and ads there is nothing between them.

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

Opti Brain ships an update every 3 months, MO every 16 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Opti Brain | MO |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | Free with in-app purchases | — |
| Size | 159 MB | 30 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Optiherence](https://appshunter.io/developer/948846804) | [KUR, Inc](https://appshunter.io/developer/1516193218) |

## 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 |


### MO

[App page](https://appshunter.io/ios/app/mo-tivator/id6478324743)

**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 MO free?

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

### Do Opti Brain or MO have ads?

Neither Opti Brain nor MO shows ads.

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

Opti Brain ships an update every 3 months, and MO every 16 months. Most recently, Opti Brain was updated on October 5, 2026 and MO on October 10, 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.*