The Companion App to the 500K Step Challenge is a necessary tool to enjoy and feel involved in the virtual event. What is the 500K Step Challenge? • The 5,00,000 step challenge is to be done over 165 days. • Starting from August 15th, 2022 and ending on January 26th, 2023. - Years to updated. • Each day you are expected to walk 3500 steps. • You can choose to take rest days as per your convenience. • Walking in any location is permitted as per your preference. • Walking while conducting