SAN FRANCISCO--(BUSINESS WIRE)--Apsalar, a global leader in mobile data management and mobile app measurement, today announced a partnership with Crosswise, a leading provider of cross-device identification mapping. Under the agreement, Apsalar will offer cross-device matching as a service for its Mobile DMP clients. Through the partnership, Apsalar Mobile DMP clients will be able to use the Crosswise device map as a tool to link the mobile-app-, mobile-web- and PC-web-data of millions more con