# Opti Brain vs Zen Garden 2

The clearest difference is rating: Zen Garden 2 at 4.4 against Opti Brain's 3.7. Zen Garden 2 also leads on in-app purchases (none vs 2). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Zen Garden 2 holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 13 and 23 respectively. Written reviews point the same way: 37% of Opti Brain's written reviews are positive against 43% of Zen Garden 2's.

Opti Brain ships an update every 3 months, Zen Garden 2 every 2 months. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Opti Brain | Zen Garden 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (13 ratings)](https://appshunter.io/ios/app/opti-brain/id1029982015/reviews) | **[4.4 (23 ratings)](https://appshunter.io/ios/app/zen-garden-2/id1459822800/reviews)** |
| Number of ratings | 13 | **23** |
| Positive reviews | 36.7% of reviews | **42.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 159 MB | 348 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Optiherence](https://appshunter.io/developer/948846804) | [Shenzhen Macrotellect Limited](https://appshunter.io/developer/593369519) |

## 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 |


### Zen Garden 2

[App page](https://appshunter.io/ios/app/zen-garden-2/id1459822800)

Engage in guided group meditation sessions to reduce stress, improve focus, and connect with others globally. Features real-time brainwave analysis and personalized reports for a deeper mindfulness practice.

**Highlights:** Group meditation sessions, Stress relief exercises, Focus and productivity enhancement, Real-time brainwave analysis, Personalized progress reports, Buddhist wisdom integration

**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 Zen Garden 2 free?

Zen Garden 2 is free to download, with no in-app purchases.

### Which has better reviews, Opti Brain or Zen Garden 2?

Zen Garden 2 is rated higher. Opti Brain averages 3.7 out of 5 from 13 ratings, while Zen Garden 2 averages 4.4 from 23 ratings.

### Do Opti Brain or Zen Garden 2 have ads?

Neither Opti Brain nor Zen Garden 2 shows ads.

### Which is updated more often, Opti Brain or Zen Garden 2?

Opti Brain ships an update every 3 months, and Zen Garden 2 every 2 months. Most recently, Opti Brain was updated on October 22, 2026 and Zen Garden 2 on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*