【實用娛樂app】Frequencies - Hearing Test and Dog Whistle|最夯免費app-綠色工廠好玩App

Frequencies is the loudest frequency emitter and dog whistle on the app store. If you need to annoy somebody this app is perfect!Great for school because the teacher won't be able to hear the higher pitched sounds but the kids will!Features include:Full range of annoying sounds (from 20 to 18000 hz)No AdsExtremely loud sounds to take advantage of new speakersBeautiful Simple UIExtremely AnnoyingGreat for Parties and SchoolHearing TestDog WhistleFull Retina SupportMinimalist Icon