The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From CITY APP:
Brussels Map enable you to use maps offline without internet connection. This includes maps street names detail. This will give peace of mind when traveling aboard knowing you will not be charged with roaming fee. In addition, this app includes a subway map which can zoom in and out. So if you live or travel in that city, it will help you much in your life. A lot of new features - All in one search feature (street, restaurant, hotels, schools, attractions,etc) - Useful places list - Real time GPS tracking capability - Smooth zooming in and out just like Google Maps - Easy to drag and move the map around - Subway maps are offered This maps should not be used for mission critical purpose. - Add bookmarks to place you want to memory Brussels Map use OpenStreetMap maps and will be keep improving overtime by OpenStreetMap users around the world.