ブラックアウト
Response from developer
earUをご利用いただき、誠にありがとうございます。 この度はご不便をおかけしており、大変申し訳ございません。 よろしければ詳しい状況をサポートまでご連絡いただけますと幸いです。 お手数で恐れ入りますが、よろしくお願いいたします。 サポート:https://www.casio.com/jp/support/earu/

Adjust your hearing based on your condition and environment. Test your hearing, customize sound settings for different scenes, and control audio balance and noise suppression. Includes relaxing nature sounds for focus or calm.
1.0.1
July 21, 2026
・一部のスマートフォン、設定での画面表示を最適化しました。 ・その他、軽微な不具合を修正しました。
earUをご利用いただき、誠にありがとうございます。 この度はご不便をおかけしており、大変申し訳ございません。 よろしければ詳しい状況をサポートまでご連絡いただけますと幸いです。 お手数で恐れ入りますが、よろしくお願いいたします。 サポート:https://www.casio.com/jp/support/earu/
Yes, earU requires connection with the earU ER-100, a product manufactured and sold by CASIO COMPUTER CO., LTD. This device is intended for the Japanese market.
earU has an age rating of 17+, indicating it is intended for mature users.
The latest version of earU is 1.0.1, and it was last updated on July 21, 2026. Updates are provided by CASIO COMPUTER CO., LTD.
The provided information does not specify offline functionality. However, as it requires connection to a specific hardware device, offline use may be limited.
No, earU does not contain advertisements. The app is free to use without any ad interruptions.
earU is supported on iPhone and iPad devices, as indicated by the supported devices list.
No, the earU ER-100 device, which the app connects to, is not a hearing aid or medical device.
earU allows users to customize sound for six different scenes (Standard, Office, Restaurant, Outdoors, Conference Room, User Custom). It also offers control over left/right balance, suppression of uncomfortable sounds, and listening direction.