For steps to be credited in the challenge, you must sync Activy app with Google Fit (Android) or Apple Health (iOS) 🚶♀.
👉 Steps can be synced up to 3 days back and up to the last day of the edition. Steps synced after will not be credited.
👉 In order for synchronization to work properly, you need to turn on the Activy app regularly (preferably every day or no less than once every 3 days). Otherwise, steps will not be synchronized.