Frequency Sound Generator is a very simply Frequency Generator. It can provide sound frequencies in range from 1Hz to 25,000Hz.

To use Frequency Generator, you could swipe your finger up and down to raise or lower the frequency of the tones. The user interface is very simple and clear. You could adjust the frequency up or down exactly in 1Hz with arrow button, and directly check the frequency by professional wave visualisation. The human can hear from 20Hz to 20,000HZ, and you can use Frequency Generator to test your hearing.

Usage scenarias:

1. Use Frequency Generator to annoy dogs, cats or people.
2. Use this app as dog whistle to train your dog or other pets.
3. Stop your neighbour’s dog from barking by adjusting the sound frequency until it works.
4. Use this app to tease your classmates or friends as a prank tool.
5. Mosquito repellent.

Frequency Generator is easy to allow you to generate tones range from 0Hz to Ultrasonic 25kHz frequency.

Please get in touch if you have any problems via email.

What’s New

Version 1.1.0

Add iOS 11 support

Ratings and Reviews

4.1 out of 5
75 Ratings

75 Ratings

Pdfurlong ,

Lock screen

Turns off when your phone locks

drr42 ,

Functions ok

Swie is to sensitive and the small increment arrows are for small fingers

SkyNat99 ,

Hope it’s accurate

I am very happy by the large spectrum of fréquence of this tool. Of course, I’m not equipped to verify if the numbers are accurate to truth but I believe it’s fine.


Min Ku
8.6 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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