What this app is. What it isn’t. What you could build.

One-liner

A mobile app that helps users detect and document ghost activity using smartphone sensors like the flashlight, microphone, and magnetometer, with a focus on paranormal investigation tools.

Strengths

Uses real smartphone hardware (flashlight, mic, magnetometer) to simulate ghost detection in a tangible way
High visibility for 'paranormal' keyword—ranks top-50, indicating strong SEO traction
Simple, intuitive interface focused on immediate use during investigations
Popular among niche audiences interested in ghost hunting and supernatural phenomena
Offers basic but functional tools like EMF meter, audio recorder, and light sensor

Weaknesses

3.1 rating from 354 reviews indicates significant user dissatisfaction
Review snippet: 'Doesn’t work at all. Sensor readings are random and useless.'
Review snippet: 'No real-time feedback or calibration. Feels like a gimmick.'
Lacks advanced features like data logging, GPS tagging, or cloud sync for evidence
No clear pricing model—uncertainty may deter downloads

Opportunities

Build a more accurate, sensor-calibrated version with real-world validation data
Add evidence logging with timestamps, location, and media attachments
Integrate AR visualization of ghostly activity based on sensor spikes
Create a community feature where users share documented cases (with privacy controls)
Offer tiered pricing with free trial and premium features (e.g., export reports, AI analysis)

Build ideas

Competitors

Ghost Radar
Spirit Box
EMF Detector Pro

AI-generated brief · 5/12/2026, 10:51:00 AM

First load takes ~10–30s while we generate the brief. Cached afterward.