05 · Event app
A costume contest the whole room can vote in from their phones.
For a Rocky Horror Picture Show watch party at Wild Corgi Pub, I built a photo contest app guests use without downloading anything or creating an account. They scan a QR code, snap a costume to enter, vote for their favorites, and watch the winners appear on the bar's TV.
Problem
Costume contests at a bar usually run on applause or a show of hands: hard to count, easy to dispute, and over in a minute. The venue wanted something guests could join from their seats, that felt like part of the night's theme, and that staff could run without a learning curve.
Approach
- No logins and no app store. Each phone gets a silent anonymous account, so a guest goes from QR code to entering in a few taps.
- Fair-play limits per phone: by default two entries and three votes, and you cannot vote for your own entry.
- A TV and print poster with a live QR code and running counts, plus a printable sheet of 20 cut-apart QR tiles for tables.
- A photo wall anyone can add pictures of the night to, which stays up after the event.
- An admin page for the host: open and close entries and voting, watch the live tally, hide anything inappropriate, and publish results to every phone and the TV at once.
- Themed skins per event. The Rocky Horror night got its own look and load screen; a pumpkin carving night reuses the same app with a new theme.
What it does on the night
- The poster goes up on the TV and QR tiles go on the tables.
- Guests scan, enter a costume photo and vote.
- The host taps Publish results, and the winners appear everywhere at once.
Notes
Each event can have its own web address and theme, so one app serves a run of themed nights. Built in October 2026.