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コエハカリ｜声の高さ・響きを測るボイスチェッカー icon

コエハカリ｜声の高さ・響きを測るボイスチェッカー

Kiyokura, Inc Tools Contains ads

It measures and records the acoustic characteristics of the voice. Analysis is performed entirely on-device. Recorded audio is never transmitted outside the device.

Downloads
28+
on Google Play
Price
Free
No in-app purchases
Updated
Nov 1
2026 · v1.12.0
Get it onGoogle Play See alternatives

Screenshots

  • コエハカリ｜声の高さ・響きを測るボイスチェッカー screenshot 1
  • コエハカリ｜声の高さ・響きを測るボイスチェッカー screenshot 2
  • コエハカリ｜声の高さ・響きを測るボイスチェッカー screenshot 3
  • コエハカリ｜声の高さ・響きを測るボイスチェッカー screenshot 4
  • コエハカリ｜声の高さ・響きを測るボイスチェッカー screenshot 5

About コエハカリ｜声の高さ・響きを測るボイスチェッカー

Koehakari is a voice checker that measures the acoustic characteristics of your voice and records its changes over time. It allows you to see "how your voice training and vocal exercises are progressing" numerically, rather than relying on subjective feelings.

Its greatest feature is "complete on-device analysis." All audio captured from the microphone is processed solely within the device and is never transmitted to an external server. The recording itself is not saved (only the analyzed numerical data and any notes you add are saved). No account registration or login is required.

■ How it measures
It extracts metrics such as voice pitch (fundamental frequency), vocal tract resonance (formants), and voice resonance indicators, and uses a unique scale to position "masculine ↔ feminine" tendencies.

■ Recording practice progress
Results are saved in the history each time you measure. You can review how much and in which direction your voice has progressed during daily practice in chronological order.

■ Premium (one-time purchase)
There are no monthly fees. With a single payment, you can enjoy unlimited history storage, trend graphs, organization with notes and tags, and ad-free viewing. Even in the free version, you can use the three most recent records.

■ Please use in a quiet location
High ambient noise will reduce measurement accuracy. Please try using it in as quiet an environment as possible, maintaining a certain distance from the microphone.

* The "masculine/feminine" classifications in this app represent statistical tendencies observed in the acoustic characteristics of the voice. It does not judge the quality or superiority of the voice, nor does it determine gender. This app is not intended for medical or diagnostic purposes.

What’s new

Version 1.12.0 · Updated November 1, 2026

リアルタイム画面に自分で決めた音高の帯を重ね、帯の中にいた割合を見ながら練習できるようにしました。自分のセリフや原稿を「マイ台本」に登録して同じ文で推移を比べられるほか、記録の測定値をCSVで書き出せます。

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