Frequency Sound Generator

Contains adsIn-app purchases
4.1
12.1K reviews
1M+
Downloads
Content rating
Rated for 3+
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About this app

Features:

Tone generator
Sweep generator
Multitone generator with 16 channels (real time)
White noise generator
Pink noise generator
Function generator
Program generator
Audio file generator with multi-channel mode up to 5.1
Ultrasound generator (on a 48KHz or 96KHz DAC)
User friendly interface
Runs in the background
Many examples ready to use

Extended Features:

Sweep tone generator (linear or logarithmic for musicians)
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
Save user configuration as a preset for future reuse.
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.
Speaker cleaner: Remove water and dust from your phone speakers.
Learn many facts about sound
Your imagination is the limit!

PERMISSIONS:
No permission need !
Updated on
Jul 21, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

4.2
11.3K reviews
Sebastiaan Joosten
July 16, 2025
Just too many forced adds and way too expensive. The app has good functions but is close to unusable for free and from the comments the paid version is also unreliable and not backwards compatable. Use add banners instead of full screen video ads and don't constantly pester the user to buy. Consider having a pay range like a lot of other apps do where the user can choose an amount. The issue is your not adding a huge amount of functions over free apps and then charging a lot for them.
2 people found this review helpful
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WeDoAndroidApps
July 18, 2025
Sebastiann, there is one time pay: (LIFETIME). The app is RELIABLE, and the PRO version is the same code. Banner ads give developers zero income. You just want this app for free, and no ads, like many users. Did you get your expensive phone for free? Don't write about things you know nothing about.
William Zhria (IVCCA)
July 14, 2025
great app. best tone gen out there and easy to use.
3 people found this review helpful
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WeDoAndroidApps
July 14, 2025
William thank you very much for your 5-star review!!!👏👍 If you can, please upgrade to PRO to support my work.
A Google user
September 26, 2018
I really love this. I use it not infrequently, though I have run into a particular issue. When trying to play from the multi-tone generator, it keeps stopping the sound. I can't play the audio file on repeat because it launches strangely with play music. So I'm at a loss, I have to keep turning it back on every thirty seconds or so. I looked through the settings and didn't see a way to fix it, so I think it's a bug. Hopefully it gets sorted at some point here.
297 people found this review helpful
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WeDoAndroidApps
October 3, 2018
Jacob, the trial version of the app is limited to 30 seconds of playing. Just upgrade to Pro to support the app and have unlimited play time. Update: Did my message resolved your problem?

What’s new

Bug fixes.