TestTone

TestTone
Developer: HTLab
Category: Music & Audio
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TestTone Summary

TestTone is a mobile iOS app in Music And Audio by HTLab. Released in Jul 2010 (15 years ago). Store metadata: updated Nov 6, 2025.

Store info: Last updated on App Store on Nov 6, 2025 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details
Store ID: 384289230
First Released: 2010-07-31
Store Last Updated: 2025-11-06
In-App Purchases: No
Ads: No
Website: asahi-net.or.jp
App Store
Crawl Status: Success
AppGoblin First Crawled: 2025-02-11
AppGoblin Last Crawled: 2026-04-12
Ads & App-Ads.txt
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Screenshots

App screenshot
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App Description

This test signal generator is ideal for checking audio equipment and confirming audible frequency ranges.It can play sine, triangle, sawtooth, and square waves from 20 Hz to 20 kHz, as well as white noise and pink noise.

Features
• You can switch between preset frequencies, white noise, and pink noise using the frequency preset buttons.
You can also tap the frequency display area to enter any desired frequency manually.
The frequency can also be adjusted using the left/right buttons or by tapping the frequency display.
• Supports switching between sine, triangle, sawtooth, and square waveforms.
• Playback starts or stops by tapping the ON/OFF button or the icon at the top.

Note
Playing at high volumes may cause hearing damage or damage to your audio equipment. Please use with caution.