Build the list, print a copy per person, check things off at the door. Free, no signup. Or a list each person checks off from their own phone, no app needed.
The same chart lives in a free group chat with an AI member: it reminds each person, tracks streaks, and checks itself off from any phone. No signup to try it.
See it run in a RoomOne per person over age 6. Kids pack more willingly from their own list, especially one they can check off themselves.
Two nights before. The night-before pack is how the cleats get left behind.
Yes: the Room version gives every person a day page link with big checkboxes that works on any browser, no app and no account.