2025-07-28 00:00:00 1Core is the leading cloud-based center management system for the childcare industry. 1Core Attend is an app specifically designed and developed for parents to Sign In and Sign Out their child(ren) and staff to Sign In and Sign Out. 1Core Attend also supports Geo-Fencing to enable the Sign In/Sign Out to be captured with in the premises of the childcare center.