Comparison

Brainwave Visualizer vs Ghost Hunting Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Brainwave Visualization
  • Brainwave Power Spectrum Graph
  • eSense Attention Meter
  • eSense Meditation Meter
  • Interactive on-screen shapes
Read 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.

About

Ghost Hunting Tools

This app simulates paranormal activity detection and spirit communication. It features a ghost detector, radar, and a large word bank to interpret signals, offering an immersive experience for paranormal enthusiasts.

Highlights
  • Paranormal activity detection
  • Spirit communication
  • EVP detector
  • Real-time paranormal radar
  • EMF reader
  • Large word bank for interpretation
Features
Read full description

The lights flicker. Your phone hums in your hand. Somewhere in the static, a voice is trying to come through. Are you listening? Ghost Hunting Tools is a full paranormal investigation kit running on your phone. Spirit box, EVP scanner, ghost detector, and EMF meter, all in one app. Built for first-time ghost hunters and veteran investigators alike. Free to use, with a Pro upgrade when you are ready to dig deeper. What's inside Spirit Box and Ghost Talker Open a session and the app scans for ghostly signals, pulling words from a curated dictionary in real time. Read them on screen, hear them spoken aloud, and watch as patterns start to form. The kind of one-word-at-a-time communication serious investigators look for, without the radio hiss. EVP Scanner Capture Electronic Voice Phenomena from the ambient noise around you. Phrases, fragments, names. Some you will write off as coincidence. Others will sit with you longer than you expected. EMF Detector (NEW on iOS) Brand new in version 2.21.4: a working EMF meter pulled straight from your phone's sensors. Watch the readings spike when something steps into the field. Cross-reference with the spirit box and you have two channels lining up at once. Sensor Dashboard EMF, motion, light. Your phone has more paranormal-detection capability than most people realize, and the dashboard reads all of it. Easy-to-follow graphs let you spot the moment everything goes quiet, right before it doesn't. The Word Bank A large dictionary of words the app surfaces during scans. No filler, no random noise for the sake of it. Just the vocabulary that paranormal investigators have reported reaching for them again and again. Pro unlocks a much bigger bank and lets you add your own words. Pro Version Remove ads, unlock the expanded dictionary, and add custom words of your own: names of the deceased, places of interest, anything you suspect might be listening. Pro purchases also fund continued development of the app, so the hunt keeps getting better because of the people who go pro. Why people keep this app on their home screen You do not have to believe in ghosts to enjoy Ghost Hunting Tools. You just have to be curious about what happens in the quiet moments. Open the app at a bonfire, in a basement, in an empty hotel room. Bring a friend. Tell us what you find. Ghost hunt safely Trust your instincts. Don't go alone to places you don't know. If something feels wrong, close the app and walk away. Tools are tools, and your judgment is what keeps you safe. A note on entertainment Ghost Hunting Tools is built for fun and curiosity. We can't promise you will talk to a real ghost. We can promise you will have a story. Privacy Policy: https://weaseldev.com/privacy/ghosthunting.html Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Brainwave Visualizer2 screens
Ghost Hunting Tools4 screens

Verdict

The call

The clearest difference is in-app purchases: Brainwave Visualizer at none against Ghost Hunting Tools's 4. Brainwave Visualizer also leads on ads (none vs shown) and iOS requirement (7.1 vs 15.0). Ghost Hunting Tools's advantage is update cadence (every 4 weeks vs every 42 months) and review sentiment (67% vs 58%). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ghost Hunting Tools sells 4 in-app purchases, starting at $4.99 per month. Brainwave Visualizer asks for nothing beyond the download.

UpkeepUpdate frequency

Brainwave Visualizer ships an update every 42 months, Ghost Hunting Tools every 4 weeks. The most recent releases landed on June 7, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Brainwave Visualizer versus Ghost Hunting Tools: the parameters behind the verdict, then further details
ParameterBrainwave VisualizerGhost Hunting Tools
PriceFreeFree
Rating4.2 (9.5K ratings) — better
Positive reviews58.3% of reviews67.4% of reviews — better
Number of ratings9.5K — better
Update frequencyEvery 42 monthsEvery 4 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.1 — better15.0
Further details — not scored
Size59 MB275 MB
Age rating4+9+
DeveloperNeuroSky, Inc.Zee Weasel

Customer experience

Brainwave Visualizer

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews12 reviews
Positive58.3%
Neutral16.7%
Negative25.0%

Ghost Hunting Tools

All ratings7,631 ratings
Positive79.7%
Neutral6.1%
Negative14.2%
Written reviews549 reviews
Positive67.4%
Neutral6.0%
Negative26.6%

Bugs and requests

Brainwave Visualizer

Not enough reviews yet to summarise bugs or requests.

Ghost Hunting Tools

Reported bugs

3 issues
  • App crashes when opening on certain devices
  • Word history gets cleared after a few new words
  • Microphone not working consistently for some users

Requested features

4 requests
  • Record and playback EVP sessions
  • Expand the word dictionary for better communication
  • Add a background mode to use with other apps
  • Improve the EMF detector sensitivity and accuracy

In-app purchases

None

Brainwave Visualizer

No in-app purchases

4 purchases

Ghost Hunting Tools

Subscriptions2
  • 1 Month Pro Subscription3 Days trial$4.991 Month
  • 1-Year Pro Subscription3 Days trial$17.991 Year
One-time2
  • Ghost Hunting Tools Pro$19.99
  • Ghost Hunting Tools Pro$29.99

Questions

Is Brainwave Visualizer free?
Brainwave Visualizer is free to download, with no in-app purchases.
Is Ghost Hunting Tools free?
Ghost Hunting Tools is free to download, with in-app purchases available.
Do Brainwave Visualizer or Ghost Hunting Tools have ads?
Ghost Hunting Tools shows ads; Brainwave Visualizer does not.
Which is updated more often, Brainwave Visualizer or Ghost Hunting Tools?
Brainwave Visualizer ships an update every 42 months, and Ghost Hunting Tools every 4 weeks. Most recently, Brainwave Visualizer was updated on June 7, 2026 and Ghost Hunting Tools on September 23, 2026.

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