# Brainwave Visualizer vs UTM SE

The clearest difference is in-app purchases: Brainwave Visualizer at none against UTM SE's 3. Brainwave Visualizer also leads on iOS requirement (7.1 vs 15.0). UTM SE's advantage is update cadence (every 4 months vs every 42 months) and ratings volume (561 vs 7). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. UTM SE sells 3 one-off in-app purchases. Brainwave Visualizer asks for nothing beyond the download.

Brainwave Visualizer holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: UTM SE has 561 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 58% of Brainwave Visualizer's written reviews are positive against 55% of UTM SE's.

Brainwave Visualizer ships an update every 42 months, UTM SE every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Brainwave Visualizer | UTM SE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/brainwave-visualizer/id639808715/reviews)** | [3.8 (561 ratings)](https://appshunter.io/ios/app/utm-se-retro-pc-emulator/id1564628856/reviews) |
| Number of ratings | 7 | **561** |
| Positive reviews | **58.3% of reviews** | 54.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 59 MB | 1.6 GB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [NeuroSky, Inc.](https://appshunter.io/developer/499682244) | [Turing Software, LLC](https://appshunter.io/developer/1534511649) |

## 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


### UTM SE

[App page](https://appshunter.io/ios/app/utm-se-retro-pc-emulator/id1564628856)

Experience classic computing by running old-school games and software. This emulator supports various display modes and processor architectures, allowing you to run pre-built systems or configure your own.

**Highlights:** Run classic software and games, VGA and terminal modes, Emulates x86, ARM, PPC, RISC-V, Pre-built or custom machine configurations, Built from QEMU

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Transistor | $0.99 | one-time |
| Chip | $4.99 | one-time |
| Computer | $9.99 | one-time |

**What reviewers like**

- 🚀 Great app that can run Windows and macOS
- 👍 Useful for nostalgic reasons
- 👍 Can run Linux VMs

**What reviewers complain about**

- 🐛 Slow performance, especially on older devices
- 🐛 Crashes and freezes
- 🐛 Display and boot issues
- 🐛 Incompatible with some ISOs and VMs

**Reported bugs**

- Inability to select .img files as floppy boot images
- Crashes when trying to leave a VM
- Crashes when adjusting virtual CD-ROM drive settings

**Requested features**

- Add support for JIT compilation to improve performance
- Improve Magic Keyboard support
- Allow exporting VMs to run on other platforms


## Frequently asked questions

### Is Brainwave Visualizer free?

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

### Is UTM SE free?

UTM SE is free to download, with in-app purchases available.

### Which has better reviews, Brainwave Visualizer or UTM SE?

Brainwave Visualizer is rated higher. Brainwave Visualizer averages 4.0 out of 5 from 7 ratings, while UTM SE averages 3.8 from 561 ratings.

### Do Brainwave Visualizer or UTM SE have ads?

Neither Brainwave Visualizer nor UTM SE shows ads.

### Which is updated more often, Brainwave Visualizer or UTM SE?

Brainwave Visualizer ships an update every 42 months, and UTM SE every 4 months. Most recently, Brainwave Visualizer was updated on October 23, 2026 and UTM SE on October 24, 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.*