Morpholio creates some of the best design apps available on the market.  They make it possible to be in constant creation with ease and accessibility.  Their primary focus is, but not limited to interior design.  The 'Board' app specifically allows you to make your own mood boards using real product that is readily available to mix, match, be inspired and to purchase.  It's not only perfect for professional projects, it's wonderful for planning out your personal spaces and projects as well.