Duolingo and Consumer Subscription Businesses

Duolingo, which was also driven almost exclusively by word of mouth, optimized for free user growth: “By offering all of its learning content for free, Duolingo built a massive user base through word of mouth and no paid marketing. This also helped us build a growth revenue loop: Building a free and fun product → more users → more subscribers → mor... See more

This helped us continuously increase our retention over the years, making Duolingo more fun and sticky. Every screen in our products is obsessed over many times by many people. You can see this throughout the product, where every screen takes Duolingo design principles seriously: every screen will have minimal text, be gamified, simple and intuitiv... See more