Sector lapper is a cronometer/stopwatch app with sectored laps, designed and driven for motorsports use! You can choose from 1, 2 ou 3 sectors lap configuration. Easy and intuitive, SectorLapper app shows best sectors and best laps "on-the-fly" (printed green) and even shows the ideal lap (printed purple) when you pause it. This is a must-have tool for driving coaches, team mechanics, team co-drivers and even team principals. Sector Lapper is fully funcional and completely free for use. Never miss a lap sector timing again with SectorLapper App!