Audio Frequency Counter

A frequency Counter is an electronic instrument that is used for measuring frequency. It uses your iDevice microphone for measuring the maximum audio frequency and display it on a graph.

Features:
- Display the maximum audio frequency in Hz.
- Display the maximum audio frequency inside a graph.
- Display the peak power and the average power in dB.
- You can hold the mesure.
- The graph can be cleared.
- You can disbale the sleep mode of your iDevice.