Best Frequency Detector Apps

VisiWave

See the frequencies around you

Free

Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.

RF Signal Detector

RF Signal Detector Analyzer

Free

This application offers real-time radio frequency signal detection and analysis. It monitors signal strength, analyzes frequency bands, and identifies interference sources. The tool provides historical data and network optimization insights for a better wireless experience.

Audio / Spectrum Analyzer

RTA (FFT / Spectrogram)

Free

$10.99 | 100% OFF

This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.

Frequency: Sound Generator

by Lucija Jaksic

Free

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

Frequency Detector Tool

Find the musical key of any Hz

Free

Instantly analyze musical keys from any frequency in Hertz. It displays the corresponding musical note, cents deviation, and whether it's in key with your selected musical scale. Features vocal context notes and a full frequency chart for EQ guidance.

Hidden Microphone Detector SM

SpyMic Detects Spy Microphones

Free

This app helps you protect your privacy by detecting hidden microphones and other surveillance devices. It uses multiple scanning methods, including Wi-Fi, Bluetooth, thermal, and EMF sensors, to identify potential threats in your surroundings. Ensure your personal space is secure wherever you go.

Decibel Meter Sound Detector

Track noise around you.

Free

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

EMF Radiation Detector Reader

Detect Magnetic Field Meter

Free

Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.

Decibel : dB sound level meter

Audio noise Spectrum Analyzer

Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Low Frequency Detector

by TOON,LLC

$9.99

This tool measures and analyzes low-frequency sounds that are difficult for the human ear to detect. It helps identify potential noise pollution from sources like construction or factories, providing detailed reports on frequency components and sound levels.

HzDetect Music Frequency Tuner

Find the frequency of any song

Free

Instantly discover the tuning frequency of music around you. This app uses song recognition and advanced analysis to reveal if a track is tuned to standard concert pitch or other frequencies, offering a new dimension to your listening experience.