Mergin Maps is an open-source platform designed to seamlessly complement QGIS, empowering efficient and collaborative field data collection. This presentation will showcase how Mergin Maps addresses the challenges of mobile data acquisition by offering a comprehensive suite of tools, including a user-friendly mobile app, robust developer tools, and a secure web server. We will demonstrate how Mergin Maps integrates with QGIS, streamlining the entire workflow from project design and deployment to data synchronization and analysis. This presentation will highlight the platform's key features, including offline capabilities, real-time collaboration, version control, and flexible data schemas, ultimately demonstrating how Mergin Maps can significantly improve the accuracy, speed, and efficiency of your field data collection efforts while leveraging your existing QGIS expertise.