Equipment Hub
Browse investigation apps with honest technical assessments, sensor methodology notes, and reliability ratings based on how each app uses device hardware.
PRN hosts this directory as an independent reference resource. Presence here does not constitute endorsement, testing, or verification by PRN.
Reliability ratings reflect technical sensor methodology analysis — not scientific proof of paranormal detection capability. Always establish environmental baselines before using any investigation tool.
RWTH Aachen University
University-developed physics experiment app that accesses all device sensors with full data export and remote monitoring — the most scientifically rigorous multi-sensor tool available on smartphones.
Carl Reinke
Real-time audio frequency spectrum analyser with high resolution, logarithmic frequency display, and spectrogram history — one of the highest-quality free audio analysis tools available on Android.
Vieyra Software
Comprehensive multi-sensor data logging app providing direct access to all device sensors with real-time graphs and CSV export — developed for physics education.
Various
ITC-based communication tool using combined sensor analysis and a phoneme word database.
RedVox Inc.
Scientific-grade infrasound and low-frequency acoustic recorder used in actual seismology and atmospheric research — the highest-credibility audio tool available for investigation use.
SkyPaw Co.
Professional-grade sound level meter (SPL) with A and C frequency weighting, peak hold, and session logging — calibrated against IEC 61672 standard.
Various
Phoneme-based ITC app using a large structured phoneme database with continuous audio output.
Various
Combination investigation app with EMF, EVP, entity radar, and environmental tools in one dashboard.
GhostTube Apps
Combined multi-sensor investigation platform accessing EMF, motion, audio, and camera simultaneously.
Spotted: Ghosts
Dedicated EVP audio recorder with background noise filtering, amplitude-triggered flagging, and session management.
GhostTube Apps
Structured Light Sensor camera app that maps skeletal figures onto the camera feed using depth estimation.
SpiritShack
Professional-framed EVP recorder with waveform visualisation, frequency spectrum display, and investigation session management.
Various
All-in-one investigation app combining EMF display, spirit box frequency sweep, EVP recorder, and a motion-triggered alert system.
Digital Dowsing
Environment-to-dictionary tool that converts sensor readings into word outputs from a structured database.
Various
Multi-sensor ITC tool combining accelerometer, magnetometer, and microphone inputs to trigger word outputs from a stored database.
Various
Transforms your smartphone into an electromagnetic field meter using the device magnetometer.
LaxTon Ghost Sweden
Three-in-one app combining magnetometer-based EMF scanning, accelerometer motion detection, and EVP microphone recording in a single dashboard.
Digital Dowsing
Digital Dowsing's official Ovilus concept app, translating sensor fluctuations into words from a structured phonetic dictionary.
Various
High-sensitivity audio recorder designed for capturing environmental sounds during investigation sessions.
Various
Phoneme-based audio environment tool combining ambient sound with generated speech elements.
GhostTube Apps
Audio environment monitoring app that uses acoustic analysis to trigger phoneme selections from a word bank.
Various
EMF scanner combining magnetometer readings with an unusual "entity proximity" visualisation layer.
Various
Radio frequency sweep spirit box that scans AM/FM bands rapidly and presents audio fragments.
Various
Augmented reality entertainment app that overlays ghost and horror imagery onto the camera feed.
Various
Real-time EMF monitoring with colour-coded threat-level visualization.
Various
Entertainment-focused app using random number generation to simulate spirit communication on a radar and Ouija-style display.
Spud Pickles
One of the original "ghost radar" apps — uses a proprietary algorithm and random-influenced word bank with no validated sensor methodology.
Various
Thermal imaging simulation using camera-based colour gradient overlays.
Teledyne FLIR
Official companion app for FLIR ONE thermal imaging camera attachments — provides genuine thermal data when used with the required hardware.
Seek Thermal Inc.
Official companion app for Seek Thermal camera attachments — real thermal imaging with temperature measurement when paired with compatible hardware.
