# Brainwave Visualizer vs Sigi Swanchi 3D Digiscope

The clearest difference is review sentiment: Brainwave Visualizer at 58% against Sigi Swanchi 3D Digiscope's 25%. Brainwave Visualizer also leads on iOS requirement (7.1 vs 15.0). Sigi Swanchi 3D Digiscope's advantage is update cadence (every 8 months vs every 42 months). On price, ads, in-app purchases and monetization model 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, Sigi Swanchi 3D Digiscope every 8 months. The most recent releases landed on June 7, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | Brainwave Visualizer | Sigi Swanchi 3D Digiscope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (5 ratings)](https://appshunter.io/ios/app/sigi-swanchi-3d-digiscope/id1531159310/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | **58.3% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 8 months** |
| Monetization | Free | Free |
| Size | 59 MB | 7 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NeuroSky, Inc.](https://appshunter.io/developer/499682244) | [Demetrius Bell](https://appshunter.io/developer/1531159312) |

## 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


### Sigi Swanchi 3D Digiscope

[App page](https://appshunter.io/ios/app/sigi-swanchi-3d-digiscope/id1531159310)

Explore intricate fractal landscapes in 2D or immersive 3D. Discover mesmerizing patterns, generate 3D terrain, and customize colors. Export high-resolution images and 3D models for creative projects.

**Highlights:** 2D and 3D Mandelbrot exploration, 3D fly-through experience, GPU-enhanced color cycler, Palette editor, 3D terrain generator, Export images and video, Export 3D terrain models

**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 Sigi Swanchi 3D Digiscope free?

Sigi Swanchi 3D Digiscope is free to download, with no in-app purchases.

### Do Brainwave Visualizer or Sigi Swanchi 3D Digiscope have ads?

Neither Brainwave Visualizer nor Sigi Swanchi 3D Digiscope shows ads.

### Which is updated more often, Brainwave Visualizer or Sigi Swanchi 3D Digiscope?

Brainwave Visualizer ships an update every 42 months, and Sigi Swanchi 3D Digiscope every 8 months. Most recently, Brainwave Visualizer was updated on June 7, 2026 and Sigi Swanchi 3D Digiscope on July 4, 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.*