2021-06-15 00:00:00 *** This App is for VISUA Hologram Authentication Clients. You must have working credentials to use this app. *** The HoloGrab app provides accurate, fast and simple automated validation of holograms into the palm of your hand. If you can run this app then you can validate holograms in seconds! Developed for use by key stakeholders in a company’s or government agency’s supply-chain, this app has been built to meet the critical needs of these users.