my daiz is a free lifestyle app developed by NTT DOCOMO INC. for iPhone users. It aims to provide personalized information and conversation to users. The app notifies users about the weather and train delays according to their departure time. It also responds to various questions through conversation. Users can receive information tailored to their preferences at the right time and place. my daiz offers a personalized feature that allows users to choose members from a wide range of genres that match their interests to receive information and expand their possibilities. The app can be activated through touch operation, text input, or voice activation with the keyword, "my daiz".

With my daiz, users can have a companion to talk to when they are bored, lonely, or need assistance. The app is compatible with iOS 12.0 and above and can be used by any network carrier. However, users with older iOS versions are recommended to upgrade to the latest version. The app has a support page where users can check compatible models. Users can contact the DOCOMO Information Center (151 orfor any queries.