Cold-call fairly. WhirlPicker picks a student at random, then keeps them out until everyone present has had a turn, and remembers the round between lessons.
Not until everyone present has had a turn. Then a new round starts automatically.
Absent students are skipped today and still due when they're back. A pass keeps the student in the round and is recorded.
Yes. Participation in the ⋯ menu lists each student's turns, passes and when they were last picked.
Yes. There are no ads, no accounts and nothing to install, and names never leave your device.