Project
Roulette

Meeting Cost Ticker

A running total of what this meeting is costing, in real time.

StarterWeb appTool2–5hAI-buildable 5/5no setup

Enter the attendees and their rates, hit start, and watch money tick away. A joke that lands, and a compact exercise in smooth incremental animation — the number should flow rather than jump once a second.

UI
Logic
Useful

Hosting · Free forever

Deploys free on GitHub Pages, Cloudflare Pages or Vercel Hobby.

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Core features · 6

  • Add attendees with hourly rates or use a default
  • A cost total ticks up continuously while running
  • The number animates smoothly rather than stepping once per second
  • Pause and resume without losing accumulated cost
  • Attendees can join or leave mid-meeting, changing the rate
  • A summary shows total cost and duration at the end

The interesting part

  • Smooth number animation without accumulating floating point drift
  • Recalculating the rate correctly when attendees change mid-run

Once it works

  • Add currency selection
  • Add a comparison to what else that money buys
  • Add a shareable end-of-meeting summary card

Suggested stack

reacttypescripttailwind

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