Trinium MC3 is an Android app developed by Trinium for truck drivers working for intermodal trucking companies that use Trinium TMS as their back-office operating system. This app is designed to improve productivity throughout the operation of the intermodal trucking company. Trinium MC3 is an extension of the main Trinium TMS application and provides mobile dispatch workflow, document capture, signature capture, GPS tracking, and geofencing capabilities. This app is used by both owner-operators and employee drivers. However, to operate Trinium MC3, the trucking company must have active Trinium TMS and Trinium MC3 licensing or subscription agreements.

Trinium MC3 collects location data to enable geofence prompts or automation when drivers arrive or depart from their pickup and delivery location. The data collected is transmitted securely through HTTPS and may be included in certain updates required by trucking customers, such as landmark reporting, proof of wait time in terminals, or in-transit EDI. Trinium assures its users that their data will never be sold.