EMF Detector vs Frequency Analyzer

EMF Wave Detector transforms your smartphone into a powerful electromagnetic field detector. Using your device's built-in magnetometer, it measures magnetic fields in real-time with professional-grade accuracy. FEATURES: • Real-time EMF measurement in µT or mG • Visual gauge with color-coded danger levels • Historical graph tracking over time • Sound & vibration alerts when thresholds are exceeded • Dark and light theme support • Works offline - no internet required PREMIUM FEATURES: • Remove all ads • Custom alert thresholds • CSV data export • EMF Heatmap visualization Perfect for: - Home inspections & electrical safety - Paranormal investigations - Electronic device testing - Educational purposes - Curiosity about your electromagnetic environment The app uses only your phone's magnetometer sensor - no additional hardware needed. Accurate, fast, and easy to use. Terms of Use: https://astra-dev.fr/apps/emf-detector/terms-of-use.html Privacy Policy: https://astra-dev.fr/apps/emf-detector/privacy-policy.html

See exactly what you're hearing. Frequency Analyzer: SpectraLab turns your iPhone into a precision audio analysis toolkit. Measure live frequency content, generate test tones, and visualize sound in real time. ANALYZE Point your phone at any sound source and see the dominant frequency instantly, in Hz, with a clean live readout. Perfect for tuning instruments, diagnosing hums and buzzes, checking speaker response, or just satisfying your curiosity about the sound around you. SPECTROGRAM Watch sound unfold over time with a vivid, color-coded spectrogram. Spot patterns, harmonics, and anomalies that a single number can't show you. GENERATOR Produce precise test tones and sweeps on demand. Sine, square, and more, with fine control over frequency and amplitude. Useful for speaker testing, hearing checks, room acoustics, and calibration. LIBRARY Save your measurements and exports, organize them with custom labels, search and filter by type, and quickly preview or share anything you've captured. FREE TO START The core analyzer, generator, and library are free to use. No account required. GO PRO Upgrade for larger FFT sizes, every window and weighting function, full-length spectrogram history, unlimited saved presets and export history, noise threshold alerts, and CSV/PDF report export. Try Pro free for 7 days. Whether you're a musician tuning by ear, an audio hobbyist, or just someone who wants to know "what frequency is that?". SpectraLab gives you a clear, accurate answer in seconds. Subscription pricing: - Monthly and Yearly plans available, each with a 7-day free trial - Payment charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period - Manage or cancel your subscription anytime in your Apple ID account settings - Privacy Policy and Terms of Use available in the app and on our website