AI or a human case coach, and when to pay for one
Use AI and peers for most of your practice, then a coach near the end. An AI interviewer such as Soreno, Road to Offer or CaseRound runs spoken cases with follow-ups at any hour for a monthly fee, and peer partners on PrepLounge or CaseCoach are free or cheap. A coach costs from $110 an hour at RocketBlocks and from $154 at CaseCoach, so book one or two sessions once you can run a full case, and use them to fix what your practice keeps showing. We build Soreno. Try a free sample case with a timer, no sign-up needed.
Updated
- AI interviewer
- $29 to $199 a month
- Case Room $29, CaseRound $39, Road to Offer $49, Soreno $199
- Peer partner
- Free
- PrepLounge's free plan has 10 meetings
- Coach, per hour
- From $110
- RocketBlocks, CaseCoach from $154
- McKinsey on AI prep
- A valuable tool
- Used responsibly, not for answers in the interview
AI interviewer, peer partner or coach, with prices
One row per option. Prices come from each option's own site, linked in its row.
| Option | What it is | AI or human | Price or free | Best for |
|---|---|---|---|---|
| Soreno Voice AI case interviewer with follow-ups and exhibits, in McKinsey, BCG and Bain style, scored after every case
| Voice AI case interviewer with follow-ups and exhibits, in McKinsey, BCG and Bain style, scored after every case | AI interviewer, voice | Free week, then $579 a year, $199 a month or from $79 a week | Full cases out loud at any hour, plus banking technicals and fit |
| Road to Offer AI cases with voice practice, drills and scored debriefs
| AI cases with voice practice, drills and scored debriefs | AI interviewer, voice | Free first case, then $49 a month, $120 for 90 days or $249 a year | Cases, fit and the McKinsey PEI, plus firm test simulators |
| CaseRound AI voice case interviews with feedback on 8 dimensions
| AI voice case interviews with feedback on 8 dimensions | AI interviewer, voice | One free voice interview, then $39 a month | Uploading your own casebook PDFs |
| Case Room AI case practice with a guided course and skill drills
| AI case practice with a guided course and skill drills | AI partner, voice | Free course, 5 drills and 1 case, then $29 a month | A small budget, with a prepaid year at $100 |
| PrepLounge peers Live mock interviews with other candidates by video or audio
| Live mock interviews with other candidates by video or audio | Human: peers | Free with 10 meetings, or USD 69 for a year | Live cases with a large pool of partners |
| CaseCoach Practice Room Unlimited peer mock interviews, plus courses and a case library
| Unlimited peer mock interviews, plus courses and a case library | Human: peers | $49 a month, or $17 a month billed annually | Peer practice and courses in one plan |
| Classmates and friends Cases with people you know, ideally not only close friends
| Cases with people you know, ideally not only close friends | Human: peers | Free | Students with a consulting society nearby |
| CaseCoach coaching 1-hour sessions with former consulting interviewers and a written evaluation
| 1-hour sessions with former consulting interviewers and a written evaluation | Human: coach | From $154 an hour, up to 25% off for several | A coach from the firm and office you want |
| PrepLounge coaches Individual coaches you filter by sessions, reviews and price
| Individual coaches you filter by sessions, reviews and price | Human: coach | Set by each coach, USD 149 to 999 an hour on its page that day | Comparing many coaches before you book |
| RocketBlocks coaching Mock interviews over Zoom with experts from firms like McKinsey, BCG and Google
| Mock interviews over Zoom with experts from firms like McKinsey, BCG and Google | Human: coach | From $110 an hour | Pairing a coach with drills and an AI interviewer |
Read on each option's own site on October 30, 2026. We build Soreno. Prices change, so check the linked page before you buy.
What the firms say about how you prepare
AI to prepare is fine
McKinsey says many candidates use AI to prepare, such as practicing interview questions, and that used responsibly it sees AI as a valuable tool.
Practice out loud with people
Bain's university recruiter says to practice case interviews out loud with classmates or peers, not only close friends, and to focus on quality over quantity.
Your approach is judged
BCG says there isn't always a single right answer, and McKinsey says there is not one logical solution. Both want to hear how you work the problem.
When each one helps most
Our reading, with each price from the option's own page.
AI interviewer
Daily reps, on your schedule
A voice AI interviewer is there at any hour, follows up on what you said and scores each case, so you can run a case or one stage of a case on a weeknight. On Soreno it also shows exhibits mid-case and quotes your own answer in the feedback.
Peer partner
Live pressure, for free
A live person across the table, and you learn by playing the interviewer too. PrepLounge's free plan has 10 peer meetings and CaseCoach's Practice Room has unlimited peer mocks on its plan. Feedback quality depends on your partner.
Paid coach
Diagnosis and a final rehearsal
A former interviewer who can tell you why a case didn't land and how your target firm runs its interviews. CaseCoach adds a written evaluation after each session.
5 questions that decide it for you
Answer these honestly and the split follows.
Where you are
Can you run a full case from structure to recommendation yet?
If not, a coach hour goes on basics you can learn from free material and reps. Get there with AI cases and peers first.
How many weeks until your first interview?
With several weeks, daily AI cases and weekly peer cases build the skill. With days, one coach session to find your biggest gap is worth more than another new case.
Do you have partners who can push you?
Without a consulting club, an AI interviewer fills the gap between peer sessions, and Bain's recruiter suggests practicing with people beyond close friends.
Budget and signal
What is your total prep budget?
A month of an AI interviewer costs $29 at Case Room, $39 at CaseRound, $49 at Road to Offer and $199 at Soreno. A single coach hour starts at $110 to $154. Price your whole season, not one session.
Is your practice showing the same mistake twice?
That is the moment a coach pays off. Bring a recording or the feedback from your last cases and ask them to fix that one thing.
Our recommendation
A plain split for most candidates. Ours, not a firm's.
Weeks 1 to 2
Learn the moves with AI
One AI case or case stage a day, out loud, until you can structure, do the math and read an exhibit without freezing. Use the firms' own sample cases too.
Weeks 3 to 5
Add peers every week
Two or three live cases a week with peers, and keep the daily AI case in between. Swap roles so you hear what a clear answer sounds like.
Before the final round
Book one or two coach sessions
Pick a coach from the firm you face, bring your recurring mistake, and ask for a full mock under interview conditions.
Start the daily reps, out loud
Run a case in the McKinsey, BCG or Bain style with Soreno's AI interviewer and save your coach hours for the final round.
Questions people ask
Is AI or a human coach better for case interview prep?
They do different jobs. An AI interviewer gives you many spoken cases at any hour for a monthly fee. A human coach gives you a former interviewer's diagnosis for $110 to $154 an hour and up. Our advice: daily reps with AI and peers, and a coach close to the final round.
Is it worth paying for a case interview coach?
Often, for one or two sessions once you can run a full case and keep repeating a mistake. Before that, free peer meetings and an AI interviewer teach the basics for much less. CaseCoach coaching starts at $154 an hour and RocketBlocks coaching at $110.
How much does a case interview coach cost?
From $110 an hour at RocketBlocks and from $154 at CaseCoach, which offers up to 25% off when you book several. PrepLounge coaches set their own rates, from USD 149 to 999 an hour among those on its coaching page on October 30, 2026.
Can an AI interviewer replace a case partner?
For daily reps, largely. It is there at any hour, follows up on what you said and scores each case. A live partner adds the pressure of a person across the table, so we suggest keeping a weekly peer case too.
Do consulting firms mind if I prepare with AI?
McKinsey says it sees AI as a valuable tool for preparation when used responsibly, and that using AI to generate real-time responses during an interview goes against its values. The BCG and Bain pages we read say nothing about it.
What does Soreno cost?
Soreno is $199 a month, $579 a year or from $79 a week, and every plan starts with a free week. It covers consulting cases, banking technicals and fit questions, out loud.
Does CaseCoach or PrepLounge offer AI-powered coach matching?
Neither CaseCoach, PrepLounge, nor RocketBlocks uses automated AI-powered coach matching to assign coaches. Candidates manually filter directories by target firm, location, hourly price, language, and reviews, then message shortlisted coaches directly before booking.
Is CaseCoach sponsored through universities, and what is the refund policy?
CaseCoach partners with 10 of the top-20 MBA programs and 90+ universities where enrolled students often receive institutional access, and non-sponsored users can test 10 days of starter access. Paid toolkit orders qualify for a full refund only within 24 hours if fewer than 12 cases were previewed or downloaded, while unused coaching package credits are refundable within 12 months.