preppartnr - AI-Powered Case Interview Preparation for MBB & Tech (McKinsey, BCG, Bain)
AI-Powered Case Interview Simulator

Stop Reading Cases.
Start Living Them.

Static prep creates scripted candidates. Real interviews don’t.

Train in live, voice-driven consulting case simulations that adapt to your logic and challenge your business decisions in real time.

Active Session Status

"We see falling profits in our European retail operations. What framework would you use to diagnose the root cause?"

Your Analysis: MECE Profitability Tree breakdown (Revenue & Cost levers)
Partner Response: Adapting to investigate volume decline vs competitor metrics
Simulating Partner-Round Realism

Master the room before you enter it.

Adaptive AI Interviewer

No static templates. The AI listens, challenges assumptions, interrupts when necessary, and probes your mathematical calculations just like a partner.

Vocal Presence Metrics

It's not just what you say, but how you say it. Get metrics on pacing, speech fillers, tone stability, and professional synthesis.

Instant Rubric Scoring

Receive a detailed performance debrief covering logic structuring, quantitative rigour, business acumen, synthesis, and key improvement insights.

Targeted Interview Channels

Calibrated for Top Consulting Firms

McKinsey & Company

Master the interviewer-led format, build flawless MECE trees, and communicate with the Pyramid Principle.

McKinsey Guide →

Boston Consulting Group

Own the direction. Master candidate-led cases, think creatively, and deconstruct business ambiguity.

BCG Guide →

Bain & Company

Integrate deep strategic logic, drive answer-first recommendations, and leverage market-leading insights.

Bain Guide →

Ready to crack the case?

Built for you to master the logic, not just memorize the frameworks.

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