SMARTWHO

SMARTWHO

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Magnetic Field Meter Magnetic Field Meter

Detect What's Hidden Around You

Professional EMF detector, metal detector, RF signal analyzer, stud finder, ghost hunter, and digital compass — all in one app. Adaptive AI engine auto-learns your environment. Real-time μT/mG/A/m readings, 13-level color gradient, vibration alerts, GPS-tagged EMF recorder with CSV export.

Get it on Google Play

App Screenshots

Metal Detector
Stud Finder
EMF Recorder
RF Signal Meter
Ghost Hunter
Digital Compass
Repository
Settings

Key Features

🧲

Metal Detector

Adaptive AI engine auto-learns environmental baseline. Circular gauge with 13-level color gradient, real-time scrolling chart, and vibration/sound alerts.

🏠

Stud Finder

Locate metal studs, pipes, and rebar behind walls. 3-step on-screen guide with color-coded sensitivity feedback.

📶

RF Signal Meter

Monitor Wi-Fi and cellular signal strength in real-time. Dual-line chart with connection details and nearby network scanning.

👻

Ghost Hunter Mode

Entertainment paranormal detector with matrix-style UI, 5-level activity bars, and EVP log driven by sensor data.

📝

EMF Recorder

Log magnetic field measurements with timestamps and GPS coordinates. Export your data as CSV files.

🧭

Digital Compass

Aviation-style 360° heading display with N/S/E/W directions and smooth sensor-driven rotation.

📏

Multi-Unit Support

Measure in µT (microtesla), mG (milligauss), or A/m (ampere per meter). Adjustable sensitivity from -30 to +30.

🔔

Status Bar Shortcuts

7 notification shortcuts for instant access to any mode: Detector, Compass, Ghost, Recorder, Repository, RF, Stud.

🤖

Adaptive AI Engine

Guarded EMA algorithm continuously learns your environment's magnetic baseline. Accurate indoors, outdoors, near electronics — no false alarms.

📊

Real-Time Charts

Scrolling line chart tracking up to 1,000 data points. Min/Max/Threshold statistics updated continuously with Delta (Δ) from baseline.

🔊

Detection Alerts

Haptic vibration, audible alarm scaling with field intensity, color-coded UI status indicator. Customizable trigger threshold.

👥

Perfect For Everyone

Home inspectors, DIY enthusiasts, electricians, network technicians, students & educators, and ghost hunting fans. Hands-on magnetism experiments included.

Download Now

Available on Google Play for free.

Get it on Google Play

Permissions

This app may request the following permissions:

ACCESS_FINE_LOCATIONACCESS_COARSE_LOCATIONACCESS_WIFI_STATECHANGE_WIFI_STATEVIBRATEINTERNETPOST_NOTIFICATIONS

Location is used for EMF recording with GPS coordinates. All permissions can be managed through Settings > Apps > Magnetic Field Meter > Permissions.