This is according to the Australian trademark, it's the only real decryption of what the app will do I've been able to find "Software App; Website; Web Platform; Mobile App; Smartphone Software; Photo Management; Travel Companion; Travel Software; Global Positioning Software Application; TravelKeep is a software application for managing photos and information between a shared group of users travelling domestically or internationally" https://search.ipaustralia.gov.au/trademarks/mobile/view/1860919?q=Travelkeep