🦁 Meet Leo, your AI debate coach

Debate Smarter.
Win the chamber.

PrepMUN is the AI-powered debate and Model UN training app. Practice real arguments, simulate full MUN sessions, and level up your skills — all with Leo by your side.

Download Free → See Features

400+ Global Topics

4 Debate Modes

7 Rank Levels

✦ What You Get

Everything you need to become a
world-class debater

From AI-powered arguments to full Model UN simulations — PrepMUN covers every skill you need.

🎙️

General Debate

Go head-to-head with Leo on any topic. Choose your position, pick your difficulty, and argue across multiple rounds with real-time AI rebuttals.

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Model UN Sessions

Full parliamentary procedure. Represent a country, deliver your opening speech, survive pressure rounds, negotiate with bloc delegates, and vote.

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GSL Speech Training

Practice General Speakers List speeches over multiple rounds. Get real delegate responses from different blocs and detailed coaching after each speech.

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Rapid Caucus

Fast-paced 60-second speeches in a Moderated Caucus simulation. Sharpens your ability to make punchy, decisive arguments under time pressure.

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Position Papers

Let Leo help you generate a complete, diplomatically accurate position paper for any country, committee, and topic in seconds.

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XP & Leaderboard

Earn XP for every debate, maintain daily streaks, earn badges, and climb from Novice all the way to Grand Delegate on the global leaderboard.

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✦ How It Works