Company Raghvendra Bhargava created these great apps:
SnagID - Snagging and Defects, Photos to PDF: Image Converter, SnagBricks - Site Auditing, Web2Pics - Webpage Screenshots, AuditBricks - Site Auditing, Snap Markup - Annotation Tool, OnSite Checklists - Auditing, Photo Markup - Draw on Photos, and others..