APPVISORY is a product and brand of mediaTest digital, a company headquartered in Hannover, Germany. The company specializes in mobile security for enterprise environments, focusing on the analysis and risk assessment of mobile applications (apps) used on smartphones and tablets in corporate settings. Their core offering, the APPVISORY platform, provides businesses with the ability to evaluate and monitor the security and compliance posture of mobile apps deployed across employee devices. The platform is designed to identify security vulnerabilities, privacy risks, and compliance issues — including GDPR relevance — within mobile applications before or during their enterprise use. APPVISORY integrates with Mobile Device Management (MDM) solutions and Unified Endpoint Management (UEM) platforms, such as MobileIron, to extend mobile security capabilities across managed device fleets. The company reports protecting over 1.5 million corporate-use smartphones and tablets globally, with clients including large German enterprises, public sector organizations, and mid-sized businesses. Their service portfolio also includes workshops and webinars covering topics such as messenger app security, dangerous apps, GDPR compliance for mobile environments, and secure mobile workplace setups. Notable clients include DMG MORI, Stadtwerke Bielefeld, Deutsche Post, Deutsche Telekom, Deutsche Bahn, and Gerresheimer, among others. The company targets IT security and compliance teams in organizations seeking to govern and secure mobile application usage on corporate and employee-owned devices.