Questar Installer App is the official mobile application designed for easy, fast, and reliable installation of Questar telematics devices in vehicles. The app enables validation of cellular communication, ignition, GPS, and CAN connections, and supports adding installer comments, selecting accessories, attaching photo documentation of the installation, and navigating to the vehicle by VIN or license plate (some features may not be available in earlier versions). With seamless integration into Questar’s cloud services, the installation process becomes transparent, automated, and fully ready for large-scale deployment by partners and customers worldwide.