Free, anonymous

$0

AVAILABILITYLive now

  • The four challengers, start to finish
  • The counterexample, the permitted exposure, the repair and the regression rerun
  • A verdict you can read in full
  • A replay link anyone you send it to can open
  • Ten live runs an hour, plus the curated examples with no limit

Free account

$0

AVAILABILITYArrives with accounts

  • Everything above
  • Your run history, kept
  • Saved rules you can re-run

Pro

$9 a month, or $79 a year

AVAILABILITYArrives with accounts and billing

  • Everything above
  • Ask a challenger why it took the path it took
  • Extended challenger classes, including one you write yourself
  • Export a verdict as PDF or Markdown
  • Private replay links
  • Higher limits

Monitoring and alerts follow Pro.

  • Nothing on this page takes a card, and there is nothing to sign up for yet.
  • These are launch prices. They get reviewed once there is a real funnel to look at, and this page will say so if they move.
  • The exact caps for accounts and Pro land with billing. Naming one now would be a guess wearing a decimal point.