66 Days vs RocketBlocks

66 Days Prep is an AI-powered career preparation platform designed to help candidates master interviews for banking and consulting roles through structured, daily progress. The app combines personalized coaching, habit tracking, and analytics to transform your preparation into a consistent 66-day journey. Each day you’ll train across behavioral, technical, cases or market-based questions while receiving instant feedback from an AI coach. The goal is simple — make interview mastery a daily habit. Your progress is visualized through a 66-day heat map that tracks consistency, focus, and improvement. Every session compounds your learning so that when interview season arrives, you’re confident, sharp, and ready to perform. Key features: • AI interview coach for personalized feedback on real questions • Daily drills in behavioral, technical, cases, and market news • 66-day heat map that tracks performance and consistency • Resume checker to strengthen clarity and impact • Excel and valuation tools for technical accuracy • Productivity features including timers and streak reminders • Analytics dashboard that highlights your growth over time Built by former bankers and consultants, 66 Days Prep mirrors real recruiting standards at leading firms such as Goldman Sachs, Morgan Stanley, McKinsey, and Bain. The app ensures that every minute spent practicing is focused on what matters most — structured thinking, confident delivery, and business intuition. Whether you are recruiting for your first internship, preparing for post-graduate consulting interviews, or advancing your career in finance, 66 Days Prep provides a disciplined path to daily improvement. Consistency is what separates good candidates from great ones. 66 Days Prep helps you build that consistency through smart repetition, clear feedback, and visible progress you can track. Build momentum, develop confidence, and master your interviews with 66 Days Prep — your AI career partner for banking and consulting success. Some features, including the AI interview coach, require a subscription. Please review our Privacy Policy at https://www.66daysprep.com/privacy. By using this app, you agree to the terms outlined in https://www.66daysprep.com/terms and https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.

**NOTE: This app requires an active RocketBlocks subscription to login** Case interview math problems on the go! Mental math is a critical part of success in case interviews. And the RocketBlocks Math App helps you build these critical skills so you shine on interview day. With easy, mobile access to realistic case math problems, you can practice anytime you've got a free minute - whether it's between classes or on the bus. * Features * - Unlimited, realistic case mental math drills - Super simple UI - no fluff! - Track your speed and accuracy - Compare your performance to system wide benchmarks - 11 different types of math problems - Optional daily reminder to practice a 5-problem math set - we'll help you remember to practice! * 11 Different Problem Types * - Grab Bag — a random mix of all types - Big Multiplication (e.g., 100k * 200) - Big Division (e.g., 200M / 4K) - Small Multiplication (e.g., 300 * 700) - Percentages (e.g., 45% of 150M) - Percent × Percent (e.g., 20% of 90%) - Market Math (e.g., If $5M is 10% of the market, how big is the total market) - Break Evens (e.g., If you sell a widget at $200, it costs $180 to make...) - Growth Estimations (e.g., $2M growing at 10% for five years...) - Time Series Conversions (e.g., If a company makes $1.5M per week, it makes how much per year ) - NPV Calculations (e.g., Annual cash flow is 2M, the discount rate is 5% and growth is flat...) * About RocketBlocks * Built by former McKinsey, BCG, Bain, and Google employees. Trusted by 100,000+ candidates at top MBA programs and undergraduate schools worldwide, including leading institutions like Stanford GSB and Harvard Business School.