Sound Louder Frequency is a straightforward Frequency Generator app available for iPhone users. It offers sound frequencies ranging from 1Hz to 25,000Hz and beyond. The app allows users to adjust frequencies by swiping their finger up or down, with precise 1Hz increments and visual wave representation for accuracy in frequency settings.

Users can utilize Sonic Wave to produce various frequencies, including white and pitch noises, for driving insects away or testing hearing capabilities. From generating tones in the range of 0Hz to Ultrasonic 25kHz frequencies to serving as a dog whistle for training or stopping barking, this app offers a variety of practical uses. Additionally, it can be used for pranks or as a mosquito repellent tool.