HomeAppsMusic & AudioHigh Frequency SoundsApps like High Frequency Sounds Here are some great alternatives to High Frequency Sounds by eBook Apps : Mosquito Sound ★3.8 High Frequency Sounds ★3.5 Hz Frequency Sound Generator ★4.3 Tone Generator: Frequency & So ★3.8 Frequency Sound Generator ★4.4 Ultrasonic Emitter ★3.5 Hearing Age Evaluator ★3.3 High Volume Siren Ringtones ★4.9 High Volume Notifications ★4.5 Super Loud Siren Ringtones ★4.3 Super Loud Ringtones ★4.3 Telephone Ringtones ★4.4 Super loud volume ringtones ★4.3 Annoying Sounds ★4.2 Sirens and Horns ★4.0 phone ringtone change ★3.4