Do like nearly 300,000 other OBOS members: download the OBOS app – it's free, of course! * Always access to your membership card and membership number in the app. * Access to all member benefits in a clear layout, and access to all campaigns and competitions. * Option to favor the member benefits you use most often. * Keep track of your membership, such as payment status and seniority. * Register for pre-purchase of your dream home in the app. You can also withdraw your pre-emption and favor pre-emption homes. * Easily update your contact information when you change your residential address, phone number and email address.