About this app
耳の年齢をかんたんチェック。 8,000Hzから18,000Hzまでの高周波音を順番に再生し、聞こえた音を記録します。結果は耳年齢の目安として表示。各周波数の聞こえ方も確認できます。 イヤホン推奨。静かな場所でお試しください。
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
Current
Free
Historical low
Free
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 9:24 PM Free
Screenshots
