huoneistotieto.fi is a free Android application developed by Tietoaika Oy. The app provides essential information about housing and ownership. Users can view information about their apartments, payment status, and update their contact details. Additionally, users receive notifications about events related to their housing through the app.

The app's content is provided by property management companies. Before downloading the app, users should confirm with their property manager that their building is connected to the huoneistotieto.fi service.

To start using huoneistotieto.fi, users need to download the app on their mobile device, log in using their online banking credentials, and register their email address and create a password for future logins. In case users forget their email address or password, they can log in using their online banking credentials and re-register their email address.