Lose the argument here, not in court.
Put your argument to an AI opponent that argues the other side as hard as it can, then get a judge’s verdict on who argued better and why.
What Devil’s Advocate does.
An opponent that pushes back
It takes the other side and argues it properly: it finds the weak link in your reasoning and presses on it, round after round.
A judge’s verdict
When you stop, a neutral judge weighs both sides and tells you who argued better, and why.
Prepare for the hearing
Rehearse the points the bench is most likely to put to you before you are on your feet.
Test a negotiation position
Find out how your position holds up against a counterparty that will not simply agree.
Train juniors
Give associates a safe place to practise oral argument and learn from the verdict.
How it works.
- 1State your caseSet out your position and the facts, or pick documents from the matter.
- 2Argue it outThe opponent responds to every point; you rebut, round by round.
- 3Get the verdictA judge weighs both sides and explains where each argument won or lost.

Works well with.
Devil’s Advocate shares matters, clients, documents and the calendar with every other app, so nothing is keyed in twice.

Truth or Dare
Check every case and statute cited in a draft, so nothing wrong or made-up reaches the court.
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Research
Search judgments, statutes and circulars, and see new judgments as they’re published.
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Notes
A private notebook for each matter, where you can save answers from Ask, Interact and Draft.
Learn moreLose the argument here, not in court.
Start a 7-day free trial, or see Devil’s Advocate on one of your own matters with our team. Every plan includes every app.