The Tachomaster app allows non-tachograph workers and drivers to sign in and out of work in real-time. It can also be used to start and stop work, as well as add breaks and periods of availability on the workers' records. Users can also set themselves as "out of the office" with this application.

Other functions include:

• Display of recent Tachograph Rest, Drive and Other Work information
• View existing WTD Reference Period information
• Monitoring of present working pattern
• Check for shifts including start time, duration, activity totals and vehicle
• View recent infringements
• Monitoring of weekly and daily rest information on a Calendar