Dear customer, Thank you for your feedback and we are very sorry to hear that you are not happy with the application. For subscription cancellation, please contact Apple support, as we are not the billing party and are not able to assist. Alternatively, you can do it yourself from iTunes accessing: https://apps.apple.com/account/subscriptions and cancelling the corresponding application. ダウンロードは無料でトライアルが終わるとお金取られることがアプリをインストールするときに書いてあります。上記の方法でキャンセルできます。