FQC - Frequency Counter Apple

FQC - Frequency Counter

Measure frequencies & notes

Features & Capabilities

FQC is a real-time audio frequency counter for macOS.

Measure audio frequencies using your Mac’s built-in microphone or connected audio devices. FQC displays frequency in Hz or KHz, identifies musical notes, and provides signal level monitoring in a simple, easy-to-read interface.

Features:

• Real-time frequency measurement • Musical note identification • High and Low Frequency detection modes • One Shot capture mode • Automatic noise floor calibration • Signal level meter • Frequency display in Hz and KHz • Simple, distraction-free interface

The Low Frequency mode is optimized for bass notes, speakers, motors, and other low-frequency signals, while High Frequency mode provides fast response for general audio measurements.

FQC performs all frequency analysis locally on your device.

No accounts. No subscriptions. No advertising. No tracking.

Designed for hobbyists, musicians, audio enthusiasts, electronics experimenters, and anyone needing a simple frequency measurement tool.

User Growth & Download Statistics

App
By:
Andrew Hazon
Version:
1.0 Last updated: 2026-06-18
Version code:
887019020
Creation date:
2026-06-18
Compatible devices:
Size:
4.52MB
URLs:
Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-07-01
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Andrew Hazon
Apple Apps Store
https://apps.apple.com/us/app/fqc-frequency-counter/id6780738150

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