Maximizing Retention by Improving the Customer Experience. Vivino is the world's largest online wine marketplace and most downloaded wine app, powered by a community of millions. Their unique wine shopping experience uses community data to provide personalized wine recommendations-making wine discovery and purchase fun, accessible, and effortless for wine drinkers of every level. Vivino is experiencing fast year-over-year growth by using data to fine-tune retention strategies, improve customer service and response, and deliver data-rich partner apps for winery and merchant partners.