Frequency Counter: Hz Meter

Category: Tools

Frequency Counter: Hz Meter Summary

Frequency Counter: Hz Meter is a ad-supported iOS app in Tools by Kyu-Hee Jang. Released in Mar 2026 (recently released ago). Store metadata: updated Apr 3, 2026.

Store info: Last updated on App Store on Apr 3, 2026 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: 6761234058

First Released: 2026-03-31

Store Last Updated: 2026-04-03

In-App Purchases: No

Ads: Yes

Website: google.com

App Store

Crawl Status: Success

AppGoblin First Crawled: 2026-04-05

AppGoblin Last Crawled: 2026-04-05

Ads & App-Ads.txt

Ads.txt Last Crawled: 2025-10-10

Ads.txt Crawl Status: Failed

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App Description

Frequency Counter+ precisely measures the dominant frequency of any sound in Hz using your iPhone's microphone. Detect electrical hum (50/60Hz), measure fan RPM from sound, and analyze resonant frequencies.

A digital multimeter-style display shows the frequency in large, clear numbers with instant Hz-to-RPM conversion.

Key Features:
- Precise Hz frequency measurement
- Large digital multimeter-style display
- Automatic 50/60Hz electrical hum detection
- Instant Hz to RPM conversion
- Musical note reference display
- Measurement history and trend graph
- Adjustable measurement sensitivity

Perfect for electricians, HVAC technicians, audio engineers, and industrial diagnostics.