# Brainwave Visualizer vs Spirit Words

The clearest difference is rating: Brainwave Visualizer at 4.0 against Spirit Words's 3.3. Brainwave Visualizer also leads on ads (none vs shown) and monetization model (free vs ad-supported). Spirit Words's advantage is update cadence (every 3 weeks vs every 42 months) and ratings volume (172 vs 7). On price, review sentiment, 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 holds the better App Store score, 4.0 against 3.3. That said, the two scores are not equally well evidenced: Spirit Words has 172 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 51% of Spirit Words's.

Brainwave Visualizer ships an update every 42 months, Spirit Words every 3 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Brainwave Visualizer | Spirit Words |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/brainwave-visualizer/id639808715/reviews)** | [3.3 (172 ratings)](https://appshunter.io/ios/app/spirit-words/id6446749894/reviews) |
| Number of ratings | 7 | **172** |
| Positive reviews | **58.3% of reviews** | 50.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 42 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 59 MB | 4 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [NeuroSky, Inc.](https://appshunter.io/developer/499682244) | [SUSAN HOPE PAULIN](https://appshunter.io/developer/1678878213) |

## 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


### Spirit Words

[App page](https://appshunter.io/ios/app/spirit-words/id6446749894)

This app aims to facilitate communication with the spirit realm using a database of random words. Users can ask questions or state intentions, and the app will display words believed to be selected by spirits. Swipe to scroll through messages and press stop to end the session.

**Highlights:** Spirit communication interface, Random word database, Question and intention input, Spirit word detection, Scrollable message history

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✨ Accurate spirit communication responses
- 🎯 Mentions specific personal details users recognize
- 💬 Generates complete sentences and coherent responses
- 🔮 Describes room contents and environmental details
- 👻 Connects users with deceased loved ones

**What reviewers complain about**

- 📺 Excessive advertisements interrupting usage
- 🔄 Repetitive random words and phrases
- ❓ Inconsistent and incoherent responses
- ⚠️ Potentially disturbing or scary content
- 🚫 Ads appear immediately after stopping

**Reported bugs**

- App crashes or glitches during use
- Black screen on startup
- Phone battery drains rapidly
- App triggers on phone movement
- Ads pop up after every question

**Requested features**

- Remove or reduce advertisement frequency
- Add audio/voice output for spirit responses
- Provide option to disable video ads
- Add different communication modes or options
- Implement airplane mode functionality


## Frequently asked questions

### Is Brainwave Visualizer free?

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

### Is Spirit Words free?

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

### Which has better reviews, Brainwave Visualizer or Spirit Words?

Brainwave Visualizer is rated higher. Brainwave Visualizer averages 4.0 out of 5 from 7 ratings, while Spirit Words averages 3.3 from 172 ratings.

### Do Brainwave Visualizer or Spirit Words have ads?

Spirit Words shows ads; Brainwave Visualizer does not.

### Which is updated more often, Brainwave Visualizer or Spirit Words?

Brainwave Visualizer ships an update every 42 months, and Spirit Words every 3 weeks. Most recently, Brainwave Visualizer was updated on October 23, 2026 and Spirit Words on October 27, 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.*