Said of a product users keep coming back to on their own, often measured as the ratio of daily to monthly active users, with anything above thirty percent considered strong.
Snap Inc.'s 2017 S-1 disclosed about 158M daily active users against a monthly base that put the DAU/MAU ratio near 60%, an unusually high figure for a consumer social app. The stickiness was driven by streaks, ephemeral content, and a camera-first home screen, all designed to make daily opens feel mandatory.