We sync your DSA/CP progress from all platforms ( LeetCode, CodeChef, CodeForces, TakeUforward.. etc) to an ios/android native mobile app. Not just that, you get all duolingo like features 1) Streaks 2) XP and achievements 3) Friends, you can see what they solved, what’s their streak 4) Streak with friends 5) Problem revision scheduling, based on SM2 algorithm, app will remind you which problem you should be revising today