コエハカリ|声の高さ・響きを測るボイスチェッカー is a tools app by Kiyokura, Inc with 10+ downloads (about 30 estimated). +6 installs in the last 7 days. Released Sep 6, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “It measures and records the acoustic characteristics of the voice. Analysis is performed entirely on-device. Recorded audio is never transmitted outside the device.”