QUESTIONSTAR (Motaev Marx Motaev GbR, Hanover) is a German web-based survey software. It provides a user-friendly drag-and-drop survey builder and includes advanced analysis tools (tables, charts, regressions) built in. Surveys can be distributed via link, email, QR code or social media, and the platform supports multilingual questionnaires with AI-powered translation into 106 languages. The company’s managing directors are Paul Marx and Roben/Ever Motaev, and it is based in Hanover, Germany.