ServiceCounter is a first of its kind app for auto technicians. Once you create your operation, the app will count down to your desired efficiency, sounding an alarm (or vibrating) when reached.
Key features:
Create reusable operations
Pause and resume operations
Set desired time efficiency percentages
Choose unit of time measurement (minutes, Fixed Rate Units of 6 minutes, or Time Units of 100 per hour)
Full history of operations, and their time to complete
Built in unit converter