You are using an outdated browser. Please upgrade your browser to improve your experience.
GP Master helps you driving regularity tests in Old- & Youngtimer rallies.This task is to drive a predetermined route length with exact same average speed. Often, the monitoring of compliance with section carried out by one or more hidden time measurements. Not easy!Features+ Simple inputting the target average speed+ Preliminary editing the next average speed at average exchange+ Large display for rapid detection of the deviation+ Optional display choice between displaying the deviation of seconds or distance+ Symbolic recommendation for speed change+ Quickstart AppMore functions+ Operation Apple WatchRequest within the app option to a manual.Good luck with the special stages"Continued use of GPS running in the background can dramatically decrease battery life."Image distortions due to further product development or in-app purchases possible