Smart Review Queue
Cards that come back when you need them
A review stack ranked not by recency but by which cards need you most right now — combining spaced-rep timing, misconception signal, and goal proximity.
Teens · 13-17
Grown-ups
Filmed at /flashcards
What happens, step by step
1.Your deck knows what is due today.
2.Tap to flip, and be honest about what you knew.
Each step is a checked assertion in our automated test suite (scene “flashcards”, 2 acceptance criteria). If it stops being true, the test fails and this page loses its clip.
Try it yourself
Free to start, no card. Ages 16+ can jump straight in; under-16s need a parent to sign in first.