No, there are no discounts because the application is free. According to the official information on the developer, you have the possibility of downloading and using the software without any forms of purchase.
Homepage: http://www.hp.com/global/us/en/consumer/digital_photography/free/software/photo-creations.html
Quote from developer: "HP Photo Creations is free software that lets you easily create photo books, calendars, collages, greeting cards and other keepsakes that you can print at home or have shipped to you." - Hewlett-Packard Development Company, L.P.
