Etheia is a free iPhone application developed by Etienne Sandillon, falling under the Utilities & Tools category. This app provides users with convenient features such as creating a user account, logging in to access app functionalities, saving favorite contacts, one-click calling to favorites, and sharing location with personalized messages. Users can also manage their contact alerts, set device location, record videos via the phone's camera, change city settings, unsubscribe from newsletters, log out, reset passwords, and delete accounts.

Etheia simplifies contact management and enhances user safety with its diverse range of practical features, making it a versatile tool for everyday communication and security needs.