# Versus Brain Exercises vs Opti Calm

The clearest difference is price: Opti Calm at Free against Versus Brain Exercises's $29.99. Opti Calm also leads on in-app purchases (none vs 4) and ads (none vs shown). Versus Brain Exercises's advantage is rating (4.0 vs 3.0) and ratings volume (9 vs 2). On update cadence and device support there is nothing between them.

Opti Calm is free to download; Versus Brain Exercises costs $29.99 up front. Versus Brain Exercises sells 4 in-app purchases, starting at $29.99 per year. Opti Calm asks for nothing beyond the download.

Versus Brain Exercises holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Versus Brain Exercises | Opti Calm |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/versus-brain-exercises/id1018931530/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/opti-calm/id1321696251/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 96 MB | 280 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kinetic Neuriscience LLC](https://appshunter.io/developer/1654421369) | [Optiherence](https://appshunter.io/developer/948846804) |

## What reviewers say

### Versus Brain Exercises

[App page](https://appshunter.io/ios/app/versus-brain-exercises/id1018931530)

This app uses a brain-sensing headset to measure and improve your cognitive performance. Engage in brainwave-controlled games to enhance focus, regulate emotions, and manage stress. Track your progress and compare your brain's capabilities to top performers.

**Highlights:** NeuroPerformance Assessment, Personalized exercise plans, Brainwave-controlled games, Progress tracking, Comparison to top performers, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Versus Annually Subscription | $29.99 | per year |
| Monthly Subscription | $38.99 | per month |
| Neuro Performance Assessment | $19.99 | one-time |
| Starter Package (6-months) | $169.99 | one-time |


### Opti Calm

[App page](https://appshunter.io/ios/app/opti-calm/id1321696251)

Train your brain to reach optimal performance patterns with this app. It uses a compatible external brain-sensing accessory to provide visual and audio feedback, guiding you to a state of calm for meditation or high-pressure activities. Improve efficiency and recall your best performance brain patterns.

**Highlights:** Brain activity sensing integration, Visual feedback (score, video, brain representation), Audio feedback (music volume), Calm brain training algorithm, Performance optimization, Meditation and sports training modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Versus Brain Exercises free?

Versus Brain Exercises costs $29.99, and also offers in-app purchases.

### Is Opti Calm free?

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

### Which has better reviews, Versus Brain Exercises or Opti Calm?

Versus Brain Exercises is rated higher. Versus Brain Exercises averages 4.0 out of 5 from 9 ratings, while Opti Calm averages 3.0 from 2 ratings.

### Do Versus Brain Exercises or Opti Calm have ads?

Versus Brain Exercises shows ads; Opti Calm does not.

### Which is updated more often, Versus Brain Exercises or Opti Calm?

Versus Brain Exercises ships an update every 2 months, and Opti Calm every 2 months. Most recently, Versus Brain Exercises was updated on October 23, 2026 and Opti Calm on September 28, 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.*