High Frequency Sounds Pro

This application is a generator of High frequency ultrasonic sounds (sine wave) for professional.
Choose from 44 different frequencies includes Mid and Low bass tones!

This app can play 5Hz, 10Hz, 15Hz, 20Hz, 25Hz, 30Hz, 35Hz, 40Hz, 50Hz, 60Hz, 70Hz, 80Hz, 90Hz, 100Hz, 200Hz, 300Hz, 400Hz, 500Hz, 600Hz, 700Hz, 800Hz, 900Hz, 1KHz, 2KHz, 3KHz, 4KHz, 5KHz, 6KHz, 7KHz, 8KHz, 9KHz, 10KHz, 11KHz, 12KHz, 13KHz, 14KHz, 15KHz, 16KHz, 17KHz, 18KHz, 19KHz, 20Khz, 21KHz and 22Khz sounds.

Great as mosquito repellent, dog or cats repellent, stop dogs barking, stealth tone, glass breaker and dog whistle to train your pets, or just to test your hearing, test your audio systems as signal generator.
You can do a prank on people with it too (adults can't hear the highest tones above ~15Khz).

- If no Internet connection, Ads will be disabled automaticaly.
- Please give me feedback for improve this application.

[Example of effect]
Many animals such as dogs, cats, dolphins, bats, and mice have an upper frequency limit that is higher than that of the human ear and thus can hear ultrasound.
Species, Approximate Range (Hz)
human, 64-23,000
dog, 67-45,000
cat, 45-64,000
horse, 55-33,500
mouse, 1,000-91,000
bat, 2,000-110,000
beluga whale, 1,000-123,000

[Function]
HD layout.
Pro version supports only PORTRAIT mode. (SD version supports only LANDSCAPE mode.)
Duration function. (Stop automatically. It saves last value.)
Ascending, Descending, Random order functions.
Timer function. (You can use for alarm. It saves last value.)

[Attention]
Please refrain from long-time use and the use at the megavolume.
Please refrain from an earphone, the use by headphones.
Please stop use as soon as I felt the adverse effects including the headache.
This application is not a thing to guarantee an effect.