- Sweep tone generator (linear or logarithmic for musicians)
- Function generator
- Rock solid, double precision, real time, accurate, wave generator (64-bit precision IEEE 754 floating point engine)
- Real time manual frequency increment or decrement (accurate, without pops and clicks)
- Loops (continuous, with no lag, no clicks)
- Amplitude modulation
- 16 tracks real time multi-tone generator
- Ultrasound generator (on a 48KHz DAC)
- White noise generator
- Pink noise generator
- Save favorite tones and sweeps in a list for future use
- Generate audio files in multi-channel mode up to 5.1
- Precise left/right channel volume control
- Precise fade in and fade out time configuration
- Possibility to invert one channel for cancellation effects.
- Many, many pre-programmed sound tests, ready to be used by the sound professional

What you can do with this app:
- Speaker tests
- Fine tune an audio system
- Create relaxation and meditations sounds
- Noise mask
- Sleep inducing with pink noise
- Find your Tinnitus frequency.
- Age hearing loss test.
- Learn many facts about sound
- Your imagination is the limit!

To save audio files to your device, the app needs the generic android permission( access photos, media, and files on your device).

This app has a free 7 days trial period that let you check the value of this app. Than you can upgrade to Pro without having to install another app. Please support Android app development !
From version Tone Generator PRO 3.01:

Fix issue on phones that force dark mode on apps.

Audizr - Spectrum Analyzer

Real-time precision audio spectrum analyzer for sound enthusiasts

Bass Booster&Volume: Equalizer

Equalizer with Bass Booster, enhance the sound quality of your devices

Avid Control

Control App for Digital Audio Workstations

EQ - Music Player Equalizer

Control Music The Way You Want it with EQ - the universal Sound Equalizer app

Fender Tone

Mustang GTX, GT & Rumble Amplifiers

Hifi-Apps Speaker Setup 2

Hifi-Apps Speaker and Room Optimizer


First Audio Emulation Platform Klisten Player. Creat sound quality you want

KRK Audio Tools

Professional audio tools suite for KRK monitor tuning.

SpotEQ31 - 31 Band Equalizer For Left & Right Side

7, 15 or 31 band dual EQ for most music players. Separate Left/Right ear.

Binaural Beats Generator

Generate binaural beats including Alpha, Beta, Delta, Gamma, Mu, & Theta waves.

Noise Generator

Generate custom color noises including brown, pink, white, blue, and violet.

Tone Generator

Generate pure sine wave tones at frequencies from 20hz to 22,000hz.

Drone Tone Tool

High quality reference pitches with the rich sounds of real cello.

RE Equalizer FX

Advanced 10-Band Audio Graphic Equalizer Sound Booster Pro


Neutralizer. Equalizer redefined.

Alpine TuneIt App

An easy-to-use tuning app where you can share sound settings with other users.

Sound Analyzer Basic

Simple spectrum analyzer with fine frequency accuracy

Sound Tune

Sound Tune will make your car metamorphose in the listening room !!


Sampler / Looper/ Synthesizer based on Granular Synthesis


Sound code scanner