Once is a dating app designed to help users find meaningful connections by sending one curated match per day based on their preferences, vibes, and shared interests. The platform emphasizes authenticity and mindful dating, combining traditional profile-based matching with unique features like Spotify playlist matching, daily match scores, and a virtual currency called Sparks that can be spent on gifts and chats. Once also seeks to foster improved social skills and self-healing within a supportive community, appealing to people who want intentional, high-quality connections rather than endless swiping.