# Brainwave Visualizer vs Princess Theatres

The clearest difference is rating: Princess Theatres at 5.0 against Brainwave Visualizer's 4.0. Princess Theatres also leads on update cadence (every 21 months vs every 42 months). Brainwave Visualizer's advantage is iOS requirement (7.1 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Princess Theatres holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

Brainwave Visualizer ships an update every 42 months, Princess Theatres every 21 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Brainwave Visualizer | Princess Theatres |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (7 ratings)](https://appshunter.io/ios/app/brainwave-visualizer/id639808715/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/princess-theatres/id1477066647/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 21 months** |
| Monetization | Free | Free |
| Size | 59 MB | 7 MB |
| Requires iOS | **7.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NeuroSky, Inc.](https://appshunter.io/developer/499682244) | [READY THEATRE SYSTEMS, L.L.C.](https://appshunter.io/developer/1461665525) |

## 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


### Princess Theatres

[App page](https://appshunter.io/ios/app/princess-theatres/id1477066647)

Get instant access to daily showtimes, seat availability, and pricing for movies. Stay updated on upcoming attractions and receive promotional notifications so you never miss a show.

**Highlights:** Daily showtimes, Coming soon attractions, Seat availability, Pricing information, Theatre details, Promotional notifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Brainwave Visualizer free?

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

### Is Princess Theatres free?

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

### Which has better reviews, Brainwave Visualizer or Princess Theatres?

Princess Theatres is rated higher. Brainwave Visualizer averages 4.0 out of 5 from 7 ratings, while Princess Theatres averages 5.0 from 3 ratings.

### Do Brainwave Visualizer or Princess Theatres have ads?

Neither Brainwave Visualizer nor Princess Theatres shows ads.

### Which is updated more often, Brainwave Visualizer or Princess Theatres?

Brainwave Visualizer ships an update every 42 months, and Princess Theatres every 21 months. Most recently, Brainwave Visualizer was updated on November 1, 2026 and Princess Theatres on November 3, 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.*