The main characteristics of Date Matter are as follows: 1. Simple, remove complicated stuff: Unforgettable days are managed through categorization and date. Most important days can be put in the top to achieve strong reminding effect. 2. Never lost, can backup to a network: You can backup your data to Google, so that you do not have to worry about the data will be lost. 3. Multi-platform synchronized: You can view your saved important day in a variety of synchronized settings including iPhone, Android, Chrome.