Streaks create rhythm, while rewards make progress feel tangible....

https://www.primary-bookmarks.win/when-apps-use-streaks-and-badges-they-tap-into-our-natural-desire-for

Streaks create rhythm, while rewards make progress feel tangible. Personalization ensures content matters to you. These features turn scrolling into a habit. We build this responsibly with total transparency about how these systems nudge users.