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How to run a Halloween party or trunk-or-treat sign-up from one link, with who brings what, candy counts and a headcount

One link for a Halloween party or a trunk-or-treat: guests pick what to bring or sign up a car, you see the headcount, the gaps and the allergy list.

SuperCat

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I'm organizing our neighborhood's trunk-or-treat in the church parking lot for about 30 cars, and a class Halloween party for 25 kids.
Build one tool for each event on one page: a sign-up page guests open from a link with no account. For the trunk-or-treat, each family signs up a car with a name, a theme and how much candy they will have, with a limit on the number of cars, a map spot number and a count of how many kids they expect. For the party, categories (snacks, drinks, treats, supplies) with how many of each I want, and guests pick what they will bring and add an allergen note.
I see who is coming, what is still missing by category, the headcount and an allergy list. A deadline to close sign-ups, a way to edit or remove an entry, and a button to copy a reminder for the group chat. Do not ask for children's names, and show allergy notes to me only, not to other guests. Phone friendly.

Send on WhatsApp

Opens WhatsApp with this message and a code for 5 cans. Nothing to install, no account to create.

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What you get

  • A sign-up page guests open from a link, with no account.
  • Car spots with a theme and a candy count for a trunk-or-treat.
  • Categories with the number you want for a party, so gaps show.
  • A headcount and an allergy list in one view.
  • A deadline and a reminder you can copy into the group chat.

What usually gets in the way

  • The sign-up sheet at school gets lost and the parking lot is half full.
  • Everyone brings candy and nobody brings napkins or drinks.
  • Allergies come up on the day, not before.
  • You cannot tell how many cars or kids to expect.
  • Chasing replies takes longer than planning the event.
The longer story

Halloween events run on volunteers. A trunk-or-treat needs enough cars with enough candy, and a class party needs the right mix of snacks and supplies, and in both cases the organizer is chasing replies a week before.

One link with categories and counts shows the gaps while there is still time to ask a few families, and the headcount and the allergy list come from the same replies. A spot number for each car makes a parking lot layout possible before the day.

The same page works for a neighborhood trunk-or-treat, a school party or a church event.

Send it as it is, or change anything first

SuperCat asks a question or two, then builds it.

Send on WhatsApp

Opens WhatsApp with this message and a code for 5 cans. Nothing to install, no account to create.

Prefer another app? the message.