Score me, then build my plan.
Score on the rubric BCG, Bain & McKinsey use, plus a plan paced to your interview. Voice-default. No signup until your debrief.
01 / Inside a CaseStar interview
Read the brief. Explain your approach out loud. Your AI interviewer follows your reasoning, challenges your assumptions and shares exhibits as the case unfolds.
“Where would you start investigating
the hospital’s meal waste?”
Tap the mic. I’ll ask first. You take it from there.
60-second conversation · No signup
Your next step, when you’re ready
Take a fresh case a little further. Your diagnostic turns a conversation into feedback on your thinking—and a clear place to start practising.
Begin my diagnosticAbout 10 minutes · No signup until your debrief
The sample uses your microphone only after you start. Audio is processed by OpenAI to respond. Live captions stay in this page; CaseStar doesn’t save the sample’s audio or transcript.
Try my own voice session02 / Turn an insight into progress
A full session gives you more than a result. Use the feedback to understand your thinking, then work on the skill that needs attention.
“I recommended a solution before checking the cause.”
Separate observation from assumption in a focused drill.
Use a new context to see whether the habit carries over.
Illustrative next steps after a case interview. Your session feedback will be based on your own responses.
Find my starting point
03 / A clear place to start
Try the baseline first. Decide on more practice after you’ve seen your feedback.
A short voice session to find your starting point, followed by feedback and a preparation plan.
Begin my baseline2 full case interviews with personalized coaching and feedback. Choose the pack that fits your preparation.
Compare all packsA few useful answers
You can start with the baseline to see where you stand. Your feedback helps you choose what to practise next, whether you are learning the basics or preparing for another round.
Yes. Start the short sample to speak with the AI interviewer for up to 60 seconds. It uses your microphone after permission, and ends automatically. OpenAI processes the audio to respond; CaseStar does not save this sample’s audio or transcript. You can also explore the illustrative exhibit without using your microphone. In a CaseStar voice interview, you explain your thinking aloud, respond to follow-up questions and receive feedback on your session.
You review your feedback and preparation plan. When you want more practice, you can choose a credit pack for full interviews. See the pricing page for current packs and what each includes.
Yes. You can choose your interview language in session setup. Available languages include English, Dutch, German, French, Italian, Japanese, Korean and Chinese.
Your next ten minutes