Best Audio Frequency Apps

Frequency Sound Generator App

High Pitch Sound Generator

Free

Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.

Audio Function Generator

Frequency and Signal Generator

Free

Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.

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.

Inner Balance

by HeartMath Inc.

Free

This app synchronizes your heart, mind, and emotions to enhance health, well-being, and performance. It requires a HeartMath sensor to measure heart rhythms and provides real-time feedback and guided meditations to help you manage stress and improve focus.

Oscilyzer

Audio analyzer and generator

Free

Analyze and generate audio signals with this app, featuring an oscilloscope for real-time waveform visualization and a spectrum analyzer for frequency analysis. It also includes a synthesizer for creating AM/FM modulated audio.

Audio Spectrum Analyzer dB RTA

Sound frequency, decibel meter

Free

Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.

Sonic | Water Eject

Tone Generator Speaker Cleaner

Free

This app generates precise sine wave tones to help remove water and debris from your device's speakers. Easily adjust frequencies by swiping on the screen, and enjoy features like Apple Watch control and background operation. Premium subscribers gain access to advanced waveforms, unlimited sessions, and an ad-free experience.

FM4 Frequency Festival

20-22nd August 2026

Free

Access all essential festival details, receive important on-site push notifications, and personalize your experience. Features include an interactive site map, a customizable timetable, and the ability to manage tickets and cashless payments.

Audio / Spectrum Analyzer

RTA (FFT / Spectrogram)

Free

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: Healing Sounds

Whole Body Recovery & Relief

Free

This app offers science-inspired sound therapy to promote natural healing and restore balance to your mind, body, and brain. It utilizes specific frequencies to aid in sleep, reduce pain, and enhance mental clarity for a holistic wellness journey.

Frequency Analyzer

Sound Decibel Meter, Spectroid

Free

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

NY Parking Tickets: TicketHero

Lookup by Plate, View Results

Free

Quickly find and pay NYC parking and traffic tickets. Fight traffic violations like speeding, cell phone use, and DUIs in New York. Simplifies a complicated process with multiple payment options.

Tone Generator: Frequency

Solfeggio Brainwave Sleep

Free

Explore the power of sound frequencies for relaxation, focus, and sleep. Create custom tones with various waveforms and enjoy guided journeys. Listen without ads or interruptions.

Moongate: Binaural Beats

Sleep Frequency Healing Sounds

Free

Experience science-backed sound therapy to fall asleep faster, reduce anxiety, and improve focus. Explore a variety of verified binaural beats, Solfeggio frequencies, and ambient sounds. Customize your experience with adjustable intensity and create playlists for sleep, meditation, or work.

Frequency Generator: HZ

432-528 Hertz Healing Sounds

Free

Enhance sleep and focus with scientifically engineered sound frequencies. This app offers customizable modes for deep slumber and peak concentration, utilizing binaural and isochronic beats. Enjoy an intuitive interface and offline access to boost your well-being and productivity.

High Frequency Tones

Generate any frequency

Free

Generate sound waves across a wide frequency range to test hearing limits. Explore potential uses like deterring pests or competing with friends to see who can hear higher pitches. An optional premium upgrade removes ads and unlocks additional waveform options.

Brainwaves -- Binaural Beats

Sleep · Focus · Consciousness

Free

This app uses precision-engineered binaural beats and isochronic tones to synchronize neural oscillations for enhanced brain performance, clarity, and recovery. It offers a spectrum of frequencies for focus, sleep, health, and spiritual exploration.