Free account and desktop download
Start freeReady for the question.
And the one after.
Finance. Sales. Marketing. Leadership. Technology.
A clear first answer. Deeper reasoning follows in Deep Mode.
An edited tour of the real desktop app: a fictional profile, main-app settings, the live overlay, Deep Mode, and a follow-up.
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Your field.
Your kind of questions.
Finance, consulting, sales, operations, technology, and beyond. Start with a conversation that feels like yours.
Bring clarity to
the numbers.
Work through finance and accounting interview questions, explain assumptions, and respond when the interviewer changes the scenario.
“Revenue is growing, but operating cash flow is falling. What would you investigate?”
“Customers are now paying 30 days later. How does that change your explanation?”
Start with clarity.
Continue with depth.
A finance case. A customer objection. A leadership question. The normal answer appears first, followed by deeper reasoning in More detail.
A concise response to the question in front of you.
More context, reasoning, and trade-offs after the initial answer.
One question. An initial answer, then more depth. No second prompt.
Technical round?
Go deeper into the design.
For technology and engineering interviews: add a service, introduce a cache, or explore a failure in the existing architecture.
Describe the components, connections, and reasoning behind the design.
Discuss a cache, another service, or a changed constraint in the same session.
Explore failure modes and trade-offs in the context of the existing architecture.
Not just code.
The result, too.
Move from the on-screen problem to a generated solution and actual execution output. Keep the explanation connected to the task.
- Recognize the task from the conversation and screen.
- Review the approach, code, and complexity.
- Run the solution and inspect the actual output.
The spoken question.
Ready to work with.
Capture the interviewer through computer audio, or use your microphone for practice. Managed cloud transcription turns the speech into text for the answer workflow.
See how transcription worksCloud transcription and AI answers require an internet connection.
Watch a spoken question become a transcript and a grounded answer, then continue with a follow-up in the same session. Uses a fictional example profile.
Less setup.
More preparation.
A straightforward path from your account to a practice question.
Create your account
Start with your profile, your experience, and a role to prepare for.
Connect the desktop app
Install, link your account, and confirm your microphone and system audio.
Try a real question
Choose a question from your field. Explore the initial answer, deeper reasoning, and follow-up.
Start free.
Choose room to grow.
Try the workflow first. Choose a credit allowance that fits your interview schedule.
600 credits every month
Explore Pro- Up to 2 hours per session
- No daily session cap
- 2 devices at a time
2,000 credits every month
Explore Premium- No per-session time cap
- No daily session cap
- 3 devices at a time
$1 USD activation payment, automatically refunded in full. Trial ends when 20 credits are used or 7 days after activation, whichever comes first; your selected plan then starts unless canceled. Live interview time uses 1 credit per minute. AI actions also use credits. The examples below use an explicit AI budget; actual interview count varies. Compare packages.
A few good
questions.
The essentials, without the fine-print hunt.
Explore the resourcesIs InterviewOSLab only for technical interviews?
No. Use the same copilot for finance, consulting, sales, marketing, operations, HR, product, behavioural, and technical interview questions. The role examples on this site are practice scenarios—not separate specialist models or a promise of perfect accuracy.
What makes InterviewOSLab different?
Real-time question understanding, an initial answer followed by deeper reasoning in Deep Mode, and managed cloud transcription support the broader interview workflow. Connected diagrams and code execution are additional tools for technical rounds. Explore the role pages for sample interview questions.
How does Deep Mode show the two answers?
The normal answer appears first. Deep Mode then adds a deeper response in More detail, using the same question and interview context. You do not need to ask again.
Will a follow-up reset my system design?
No. A follow-up modifies the existing design in the same session — for example, asking to add Redis updates the original diagram instead of starting over.
Does transcription work offline?
The customer app uses managed cloud transcription and needs an internet connection. Audio is sent for speech-to-text processing, and generated answers also use cloud AI.
How do the trial credits work?
$1 USD activation payment, automatically refunded in full. Trial ends when 20 credits are used or 7 days after activation, whichever comes first; your selected plan then starts unless canceled. Live interview time uses 1 credit per minute. AI actions also use credits. The examples below use an explicit AI budget; actual interview count varies.
Can I use it in any interview?
Use the app for practice and for interviews where this assistance is permitted. Follow the interviewer’s rules and obtain appropriate consent for recording.
Your next interview.
A clearer way through.
See the product. Try a real question. Make your own decision.