Brainwave Visualizer vs Spirit Words
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brainwave Visualizer
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.
- Brainwave Visualization
- Brainwave Power Spectrum Graph
- eSense Attention Meter
- eSense Meditation Meter
- Interactive on-screen shapes
Read full descriptionHide full description
The Brainwave Visualizer is a colorful, interactive application controlled by your brain, that shows you a graphical representation of your brain’s activity. The Brainwave Visualizer includes the Brainwave Visualization, Brainwave Power Spectrum Graph, and the eSense Attention and Meditation meters. The on-screen shapes morph and change color depending on your state of mind. Please make sure your iOS device supports Bluetooth 4.0. The supported devices are iPhone 4s and later, iPad 3 and later, iPod touch 5th gen and later, iPad Air, iPad Mini and iPad Pro. Note: This app requires the MindWave Mobile or MindWave Mobile plus headset to work.
Spirit Words
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.
- Spirit communication interface
- Random word database
- Question and intention input
- Spirit word detection
- Scrollable message history
Read full descriptionHide full description
Are ghosts and spirits able to communicate with us using technology? There are many stories or people receiving messages from the other side through phone and computer technology. This app uses a database of random words that we believe spirits are able to use to communicate with us. Once you open the app state your intention or ask a question of the spirit realm then press the start button. Wait for a few seconds and our app will detect when a spirit has selected a word and it will appear on the screen. Press stop to end the connection with the spirits. To scroll just swipe up on the words.
Screenshots
Verdict
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 (171 vs 7). On price, review sentiment, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 171 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 24, 2026 respectively.
| Parameter | Brainwave Visualizer | Spirit Words |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (7 ratings) — better | 3.3 (171 ratings) |
| Positive reviews | 58.3% of reviews — better | 50.5% of reviews |
| Number of ratings | 7 | 171 — better |
| Update frequency | Every 42 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 59 MB | 4 MB |
| Age rating | 4+ | 9+ |
| Developer | NeuroSky, Inc. | SUSAN HOPE PAULIN |
Customer experience
Brainwave Visualizer
Spirit Words
Bugs and requests
Brainwave Visualizer
Not enough reviews yet to summarise bugs or requests.
Spirit Words
Reported bugs
7 issues- 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
Show 2 moreShow fewer
- App becomes unresponsive
- TV interference or glitching reported
Requested features
6 requests- 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
Show 1 moreShow fewer
- Add sound effects or audible responses
In-app purchases
Brainwave Visualizer
No in-app purchases
Spirit Words
No in-app purchases
Questions
Is Brainwave Visualizer free?
Is Spirit Words free?
Which has better reviews, Brainwave Visualizer or Spirit Words?
Do Brainwave Visualizer or Spirit Words have ads?
Which is updated more often, Brainwave Visualizer or Spirit Words?
Other comparisons
