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FreeCase 101Start here
Where do I start?
Start with the fundamentals
Learn what interviewers test, what good structure sounds like, and how to practice your first cases without guessing.
Built by ex-MBB consultants
Get MBB interview-ready, faster.
A case training system built around your weak spots.
Practice real spoken cases, get scored feedback, and train every rep on the gaps holding you back — from first principles to interview-ready.
Your first full case is free. No credit card required.
Your AI interviewerLive follow-up
Exhibit 2
Cost per unit by line item
$ per unit · FY24 vs FY25
Materials2.43+31%
Labor1.24+3%
Logistics0.78+5%
Overhead0.53+2%
FY24FY25Source: client finance data
Real-time pushback: quantify the materials spike before you hypothesize.
A real voice interview — exactly like the real thing.
You speak out loudIt listens & talks backReal-time follow-ups
The CaseLab path
The three questions every case candidate asks, answered.
Start free, find the weak spots holding you back, then train until they stop showing up.
2
Free3.8
Diagnostic result
Fix first: synthesisWhere do I stand, and what should I fix first?
Get a readiness diagnostic
Run one live spoken case, get scored feedback, and see the highest-priority weak spots to work on next.
3
$299Adaptive path4-week streak
How do I build consistency?
Break through repeated bottlenecks
Train with full cases, targeted drills, tracking, and coaching feedback until your weak spots stop repeating.
A closer look
See all three steps in action.
The same path, up close: the real drills, the scored Coach Briefing, and the adaptive loop that keeps every rep targeted.
Learn the moves, then warm up your opening.
Get the fundamentals interviewers actually test, then sharpen the opening skill they judge first: a clean structure under pressure.
Case Interview 101 handbookRead it
What good structure sounds like, how cases flow, and how to practice without guessing.
Unlimited 3-minute structuring drills
Clarify, ask for thinking time, structure out loud, get a quick score, then run it again.
Try a free 3-minute drillFree account · no credit card required.
Chapter 1
How a case interview works
Open the handbookYour AI interviewerLive
Sample feedback report
4.0of 5
You framed the profit decline correctly and gave a mostly MECE roadmap, but your first branch needs sharper case-specific prioritization.
Problem understanding
4/5Structure quality
4/5Case specificity
3/5Communication clarity
4/5- Prioritize likely margin levers.
- Turn branches into data requests.
Run one real case. Get a Coach Briefing.
Your first full live voice case is on us: about 35 minutes, scored end to end across core competencies, with the highest-priority weak spots to fix next.
A full live voice case, scored
Exhibits, follow-ups, ambiguity, and math pressure, just like the real thing.
Evidence tied to your real answers
Every score points back to the exact moment from your call, not a vague rubric.
Start your free diagnostic caseOne full case, free. See exactly where you stand.
Brian · Case InterviewerCoach Briefing
Verdict
“You were structured and commercially sensible, but your case leadership and communication were only solid, not standout — you left value on the table by not pressure-testing the launch.”
3.8OF 5
Composite
Client-ready with coachingProblem SolvingSection score · 3.8/5
Problem Understanding
You clarified the decision and success conditions early, so you started the case on the right footing.
4/5
Strong
Structuring
You used a clear, tailored four-part structure and prioritized market size first for a logical reason.
4/5
Strong
Evidence from your call
“I'd structure my analysis around four buckets: market attractiveness, competitive dynamics, internal capabilities, and the financial case.”
“I'd start with market sizing, because if the segment is too small, nothing else matters.”
What went well
- You tailored the structure to the case instead of reciting a generic framework.
- You named the branches clearly and separated external and internal drivers.
What to fix
- Your branches slightly overlap between market attractiveness and the financial case. Tighten the logic.
- Be explicit about how the branches combine into a final yes/no.
Hypothesis-Driven
You stated a concrete, testable launch hypothesis at 01:00 and used it to guide the case.
4/5
Strong
Case Leadership
You moved the case forward, but were still somewhat interviewer-led and could have driven the analysis more aggressively.
3/5
Developing
Evidence from your call
“Should I look at the cost side next, or would you rather I size the market first?”
“Okay, sure. I can go there if that's more useful.”
What went well
- You never stalled when handed a new exhibit and kept the case moving.
- You summarized where you were before moving to the next branch.
What to fix
- At 06:20 you asked the interviewer which way to go. State your plan and proceed instead.
- Own the next step: name the question you're answering and the data you need to answer it.
Insight & Business Judgment
You drew a clear implication from the math and ended with a sensible launch recommendation, not just a summary of facts.
4/5
Strong
Quantitative AbilitySection score · 4.0/5
Calculation Accuracy
Your arithmetic was clean and your unit conversion held together, with no obvious numerical errors.
4/5
Strong
Approach & Logic
You set up the break-even math correctly before computing it and chose the right inputs for the decision.
4/5
Strong
CommunicationSection score · 3.5/5
Top-Down Communication
Your final recommendation was clear, but your synthesis was still more analysis-led than CEO-led.
3/5
Developing
Evidence from your call
“So if we walk through the numbers... the market's about 40 million... which means margins work... so I'd probably say launch.”
What went well
- Your recommendation was unambiguous once you reached it.
- You backed it with quantified reasons, not vague intuition.
What to fix
- Lead with the answer, then three short reasons. Your close built up to the recommendation instead of opening with it.
- Move the calculation recap out of the synthesis; save it for the follow-up.
Professionalism
You stayed calm, collaborative, and appropriately assertive when challenged.
4/5
Strong
Turn every case into a better next rep.
CaseLab scores your spoken performance, recognizes patterns across sessions, and keeps adapting the drills, cases, and coaching focus until your weak spots stop repeating.
Run a live spoken case
Work through a realistic case conversation with exhibits, follow-ups, ambiguity, and math pressure.
Know exactly what went wrong
See what helped, what hurt, and what to fix before your next rep.
Spot what keeps repeating across cases
CaseLab finds the weak spot patterns across your past cases.
Get the next rep targeted to your gaps
Your next case, drills, and coaching focus target the issues holding you back.
Get the full prep path20 cases · $299 once · 12-month access, no subscription.
Two views of your coaching
Coach Briefing
Current case plus pattern history
Patterns CaseLab is tracking
Final recommendation lacks answer-first synthesisRepeated in 4 of 6 cases
High priorityMath setup is right, units get messyRepeated in 3 of 6 cases
MediumWaits for interviewer before driving next stepRepeated in 3 of 6 cases
MediumReadiness trend
1
2
3
4
5
6
+1.4 across your last 6 cases
Brian · Case InterviewerCoach Briefing
Verdict
“You were structured and commercially sensible, but your case leadership and communication were only solid, not standout — you left value on the table by not pressure-testing the launch.”
3.8OF 5
Composite
Client-ready with coachingProblem SolvingSection score · 3.8/5
Problem Understanding
You clarified the decision and success conditions early, so you started the case on the right footing.
4/5
Strong
Structuring
You used a clear, tailored four-part structure and prioritized market size first for a logical reason.
4/5
Strong
Evidence from your call
“I'd structure my analysis around four buckets: market attractiveness, competitive dynamics, internal capabilities, and the financial case.”
“I'd start with market sizing, because if the segment is too small, nothing else matters.”
What went well
- You tailored the structure to the case instead of reciting a generic framework.
- You named the branches clearly and separated external and internal drivers.
What to fix
- Your branches slightly overlap between market attractiveness and the financial case. Tighten the logic.
- Be explicit about how the branches combine into a final yes/no.
Hypothesis-Driven
You stated a concrete, testable launch hypothesis at 01:00 and used it to guide the case.
4/5
Strong
Case Leadership
You moved the case forward, but were still somewhat interviewer-led and could have driven the analysis more aggressively.
3/5
Developing
Evidence from your call
“Should I look at the cost side next, or would you rather I size the market first?”
“Okay, sure. I can go there if that's more useful.”
What went well
- You never stalled when handed a new exhibit and kept the case moving.
- You summarized where you were before moving to the next branch.
What to fix
- At 06:20 you asked the interviewer which way to go. State your plan and proceed instead.
- Own the next step: name the question you're answering and the data you need to answer it.
Insight & Business Judgment
You drew a clear implication from the math and ended with a sensible launch recommendation, not just a summary of facts.
4/5
Strong
Quantitative AbilitySection score · 4.0/5
Calculation Accuracy
Your arithmetic was clean and your unit conversion held together, with no obvious numerical errors.
4/5
Strong
Approach & Logic
You set up the break-even math correctly before computing it and chose the right inputs for the decision.
4/5
Strong
CommunicationSection score · 3.5/5
Top-Down Communication
Your final recommendation was clear, but your synthesis was still more analysis-led than CEO-led.
3/5
Developing
Evidence from your call
“So if we walk through the numbers... the market's about 40 million... which means margins work... so I'd probably say launch.”
What went well
- Your recommendation was unambiguous once you reached it.
- You backed it with quantified reasons, not vague intuition.
What to fix
- Lead with the answer, then three short reasons. Your close built up to the recommendation instead of opening with it.
- Move the calculation recap out of the synthesis; save it for the follow-up.
Professionalism
You stayed calm, collaborative, and appropriately assertive when challenged.
4/5
Strong
Compare prep options
CaseLab gives you the training loop other options leave out.
Coaches, courses, and AI can all help. CaseLab is built for the part candidates struggle to create on their own: realistic reps, scored feedback, pattern memory, and a targeted next case.
Real interview pressureDoes practice feel like a live case?
Clear winner
CaseLab
Dynamic training system
Strong
Live spoken cases with exhibits, follow-ups, ambiguity, and math pressure.
Human case coach
High-touch coaching
Strong
Very realistic when you can book the right coach.
Case course platforms
Structured content
Light
Mostly videos, written cases, examples, and static drills.
General AI tools
Flexible chat
Helpful
Can role-play, but realism depends on your prompt.
Pricing
Choose the support that matches where you are.
Start and diagnose for free, unlock the adaptive path when you want consistency, or add an ex-MBB coaching call when you want a human expert to review your prep.
1
Where do I start, and where do I stand?
Free Starter + Diagnostic
Learn the basics, practice your opening moves, then run a live voice diagnostic case to see what to fix first.
$0free
Start free- Case Interview 101 fundamentals
- 1 full live voice diagnostic case
- Scored Coach Briefing with top weak spots
- Unlimited 3-minute voice structuring drills
- No credit card required
2
How do I build consistency?
Adaptive Prep Path
Train with a system that keeps adapting cases, drills, and coaching focus around the gaps holding you back.
$299one payment
Get the full prep path- 20 full live voice cases across major case types
- Targeted drills and Coach Briefings after every case
- Historic performance tracking and weak spot patterns
- 12-month access, no subscription
3
When do I want a human expert?
Ex-MBB Coaching Call
Use the hour for a mock case, Q&A, interview strategy, or targeted coaching from an ex-MBB consultant.
$350per hour
Request a coaching call- Mock case and/or Q&A
- Coach reviews your CaseLab cases before the call
- Holistic advice based on your real patterns
- Targeted next-step coaching after the session
Ready to practice like the real interview?
Run one full live voice case and unlimited 3-minute structuring drills — free. See exactly where you stand.
No credit card. Your first case is on us.