Duolingo Freemium Monetization

Where to draw the paid line when the free tier is the thing that grows you.

Duolingo became the top-grossing app in Education on both stores while giving away every course. That is not generosity and it is not an accident — it is a specific set of decisions about which layer of the product carries the price, which segments should never see an upgrade screen at all, and what has to be true structurally for a free-core commitment to survive a bad quarter. This skill is those decisions, with the numbers attached and the tradeoffs left in.

Duolingo is the case study. Your product is the target — nothing here assumes you are selling education, and none of it assumes your free tier is a demo.

Where the line goes