Turn your smart device into a powerful diagnostic tool for class 4-8 trucks and passenger cars. Perform DPF resets and regens, diagnose trouble codes, and view live data to avoid roadside breakdowns.
HD Mobile II(CanDo) by Cando International Inc.



10+ similar apps compared and reviewed
Whether you want more options like Cummins Guidanz or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.



Turn your smart device into a powerful diagnostic tool for class 4-8 trucks and passenger cars. Perform DPF resets and regens, diagnose trouble codes, and view live data to avoid roadside breakdowns.


Connect your mobile device to a commercial vehicle's diagnostic port to monitor its health status. Understand fault codes, view vehicle specifications, and track trip data to improve uptime and aid in service and repair.






Control and monitor your Cummins Inverter TM BluetoothTM inverter directly from your iPhone. View real-time battery voltage, output power, and temperature. Set up protection alarms remotely for under voltage, over voltage, overload, and over-temperature.


This app acts as a companion for a digital multimeter, offering a Bluetooth remote display for easier testing of vehicle systems. It allows users to save and digitally share test results, including customer and vehicle details.


This app helps heavy-duty truck owners diagnose and resolve common issues like fault codes, regen problems, and derates. It provides plain-language explanations of error codes, allows for bi-directional commands to fix issues, and monitors live truck data to prevent downtime.


This app connects to heavy trucks to monitor vehicle health, diagnose issues like check engine lights, and access important operational information. It provides access to manuals, maintenance schedules, and service locations to help drivers increase truck uptime.


This app allows users to connect to a vehicle's OBD system via Bluetooth or Wi-Fi. It provides one-key password-free login to read and clear fault codes, and perform special functions like DPF regeneration for heavy-duty trucks.


Control your parking heater remotely. Schedule heating or ventilation, monitor interior temperature, and check battery charge. Access additional service information online.


View real-time video streams from endoscope devices on your iPhone or iPad. Inspect industrial pipes, capture photos, and record videos for convenient maintenance and comparison.


This app provides truck owners with a comprehensive solution for maintenance and repair. It offers detailed visual guides, expert advice, and diagnostic tools to help identify and fix issues quickly, saving time and money.