# Brainwave Visualizer vs HoloKit

The clearest difference is ads: Brainwave Visualizer at none against HoloKit's shown. Brainwave Visualizer also leads on monetization model (free vs ad-supported) and iOS requirement (7.1 vs 17.0). HoloKit's advantage is update cadence (every 7 months vs every 42 months) and review sentiment (67% vs 58%). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Brainwave Visualizer ships an update every 42 months, HoloKit every 7 months. The most recent releases landed on June 7, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Brainwave Visualizer | HoloKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (8 ratings)](https://appshunter.io/ios/app/holokit/id6444073276/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 58.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 42 months | **Every 7 months** |
| Monetization | **Free** | Ad-supported |
| Size | 59 MB | 884 MB |
| Requires iOS | **7.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [NeuroSky, Inc.](https://appshunter.io/developer/499682244) | [Holo Interactive US, Inc.](https://appshunter.io/developer/1652143524) |

## What reviewers say

### Brainwave Visualizer

[App page](https://appshunter.io/ios/app/brainwave-visualizer/id639808715)

Visualize your brain's activity with a colorful, interactive display. This application shows a graphical representation of your mental state, including attention and meditation levels, with on-screen shapes that change based on your mind.

**Highlights:** Brainwave Visualization, Brainwave Power Spectrum Graph, eSense Attention Meter, eSense Meditation Meter, Interactive on-screen shapes

**In-app purchases:** none


### HoloKit

[App page](https://appshunter.io/ios/app/holokit/id6444073276)

Experience stereoscopic AR with an affordable accessory and app. Explore immersive art, battle dragons, and play with friends in shared realities. Control your experience with an Apple Watch and track fitness goals.

**Highlights:** Stereoscopic AR experiences, Face-to-face multiplayer battles, Spectator mode for real-time viewing, Apple Watch motion controls, Health app integration for fitness tracking, Switch between realities with simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brainwave Visualizer free?

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

### Is HoloKit free?

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

### Do Brainwave Visualizer or HoloKit have ads?

HoloKit shows ads; Brainwave Visualizer does not.

### Which is updated more often, Brainwave Visualizer or HoloKit?

Brainwave Visualizer ships an update every 42 months, and HoloKit every 7 months. Most recently, Brainwave Visualizer was updated on June 7, 2026 and HoloKit on June 1, 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.*