PrepBuddy
AI-powered case interview prep trained by ex-McKinsey consultants
What is PrepBuddy? Complete Overview
PrepBuddy is an AI-powered platform designed to help users ace consulting case interviews. Developed by ex-McKinsey consultants, it provides realistic case practice with AI-generated feedback. The tool solves key pain points in interview preparation by offering unlimited, flexible practice sessions with professional-level feedback - eliminating the need to coordinate with human practice partners. With cases drawn from real consulting interviews across six categories, PrepBuddy is ideal for business students and professionals preparing for consulting interviews at firms like McKinsey, BCG, and Bain. The platform has already facilitated over 5,000 practice interviews and continues to expand its case library monthly.
PrepBuddy Interface & Screenshots
PrepBuddy Official screenshot of the tool interface
What Can PrepBuddy Do? Key Features
Consultant-Trained AI
PrepBuddy's AI has been trained by ex-McKinsey consultants to evaluate your case interview responses and provide constructive feedback. The AI analyzes your structure, quantitative skills, business intuition, and communication - offering specific suggestions for improvement just like a human coach would.
Real Interview Cases
The platform features original cases created by ex-consultants based on actual interview scenarios. Cases span six categories including market sizing, pricing strategy, and growth strategy, with varying difficulty levels to match different preparation stages.
Unlimited Flexible Practice
Practice anytime without scheduling constraints. Users can repeat cases to refine their approach or try new ones to broaden their experience. The platform tracks progress across sessions, allowing users to identify and focus on weak areas.
Comprehensive Case Library
PrepBuddy offers a growing collection of cases across multiple industries and business functions. Each case includes detailed background information and specific prompts mirroring real interview situations. New cases are added monthly to keep content fresh and relevant.
Detailed Performance Analytics
The platform provides a dashboard tracking your performance across different case types and skills. Visual progress reports help identify strengths and areas needing improvement, enabling targeted practice sessions.
Best PrepBuddy Use Cases & Applications
Last-Minute Interview Preparation
A student receives a consulting interview invitation with just three days notice. Using PrepBuddy, they can rapidly practice multiple cases across different categories, receiving immediate feedback to identify and correct weaknesses before the actual interview.
Structured Skill Development
An aspiring consultant uses PrepBuddy over two months to systematically build case interview skills. They start with basic cases to master fundamentals, then progress to more complex scenarios, using the AI feedback to incrementally improve their performance.
Team Practice Sessions
A university consulting club uses PrepBuddy's cases for group practice sessions. Members take turns solving cases while others observe, then compare their approaches with the AI's feedback to learn different solution methodologies.
How to Use PrepBuddy: Step-by-Step Guide
Create a free account on PrepBuddy's website. No credit card is required for the free trial, which gives you access to sample cases and basic features.
Select a case from the library based on your target category (market sizing, pricing strategy, etc.) or difficulty level. Cases are clearly labeled with industry and type for easy navigation.
Conduct your practice interview by working through the case aloud as you would in a real interview. The platform provides timing guidance and prompts to structure your response.
Submit your responses for AI evaluation. The system analyzes your structure, calculations, and business logic, comparing them against consultant-approved approaches.
Review your detailed feedback report, which includes strengths, improvement areas, and sample answers. Use these insights to refine your approach in subsequent practice sessions.
Track your progress over time using the analytics dashboard, identifying patterns in your performance across different case types to focus your preparation effectively.
PrepBuddy Pros and Cons: Honest Review
Pros
Considerations
Is PrepBuddy Worth It? FAQ & Reviews
The AI has been trained by ex-McKinsey consultants using hundreds of real interview evaluations. While not perfect, it captures the key evaluation criteria used in consulting interviews, focusing on structure, quantitative accuracy, business logic, and communication clarity.
Absolutely. PrepBuddy is designed for all skill levels. Beginners can start with easier cases and use the sample answers to learn proper frameworks, while experienced users can challenge themselves with complex cases.
New cases are added monthly across all categories. The platform also updates existing cases based on changing business trends and user feedback to ensure relevance.
Paid plans offer unlimited case access within your subscription period. You can repeat cases to refine your approach or try new ones to broaden your experience.
Currently, PrepBuddy focuses exclusively on case interviews. The platform doesn't cover behavioral or fit interview preparation, though this may be added in future updates.