PerformInterview Copilot

Live answers, while you interview.

It listens to the interviewer and shows you what to say in about a second. Only you can see it.

Download for Mac

See examples

15 minutes free · No credit card · macOS 26 or later · Hidden from screen share

Demo video coming soon

Finalist AI · Product Manager interview Listening

Interviewer

“You have three urgent bugs and one engineer. What do you do?”

Answer

Fix the bug that blocks paying customers first, then the one with no workaround.

In your own words

I'd rank them by who's blocked and whether there's a workaround.
Money at risk beats the loudest complaint.

Steps

Size each bug: users affected, revenue at risk — why: impact, not noise, sets the order.
Ship a workaround for the others today — why: it buys time without a second engineer.
Tell support and stakeholders the order — why: nobody is surprised.

Why this is right

It's the standard impact-and-urgency call, and it shows you'd communicate, not just fix.

Key benefits

Help you can use mid-sentence.

Answers in about a secondThe bottom line streams in first, so you can start talking.
Built from your CV and the jobYour real projects and numbers, not generic advice.
The right shape for each questionSTAR for behavioural, code and Big-O for coding, structure for cases.

How it works

From question to answer.

It hears the interviewer
Call audio is transcribed on your Mac. No bot joins.
It spots the question
Automatically — or press ⌥⌘R any time.
You see the answer
In about a second, bottom line first.
It keeps up
Follow-ups build on everything said so far.

The answer format

Every answer, the same clear shape.

AnswerThe bottom line, highlighted.
In your own wordsLines that sound like you.
StepsThe reasoning, each with a why.
Why this is rightOne line if they push.

Examples

Real questions, real answers.

Each kind of question gets the format that fits it.

BehaviouralSTAR answer from your CV

Interviewer

“Tell me about a time you disagreed with your manager.”

CVGrowth Analyst, Acme Retail · 2023–2025

Answer

Tell the pricing-page story: you disagreed with data, not opinion — and the launch got better.

SMy manager wanted to launch a new pricing page two weeks before our biggest sale.
TI thought our test was too small to trust, and had to say so without blocking the launch.
AI proposed a one-week 50/50 test and shared the numbers with him every morning.
RThe new page cut sign-ups by 4%. We fixed it, launched a week later, and he asked me to run the next test.

CodingApproach, code and Big-O

Interviewer

“Given an array of numbers, find two that add up to a target.”

Answer

One pass with a hash map: O(n) time, O(n) space.

two_sum.pyPython

def two_sum(nums, target):
    seen = {}
    for i, n in enumerate(nums):
        if target - n in seen:
            return [seen[target - n], i]
        seen[n] = i
    return []

Why A double loop is O(n²). The map trades a little memory for a single pass.

O(n) timeO(n) spaceEdge case: no pair

Product caseA structure you can follow

Interviewer

“How would you grow Monzo's savings product?”

Answer

Grow balances, not sign-ups: make saving automatic for people who already bank there.

Steps

Clarify the goal: total savings balances in 12 months — why: it stops you chasing vanity sign-ups.
Find the gap: active customers with no savings pot — why: they already trust the app.
Three ideas: round-ups on by default, a payday prompt, goal-based pots — why: each removes a decision.

How you'd measure it

Share of active customers with a funded pot. Guardrail: current-account churn.

Screen helpPress ⌥⌘S

Merge intervals. Merge all overlapping intervals and return the result. Input: [[1,3],[2,6],[8,10]]

Answer

Sort by start, then sweep once: O(n log n).

In your own words

Once it's sorted, an overlap can only be with the last interval I kept.
So I either stretch that one, or start a new one.

Problem split over two pages? Add each with ⌥⌘A, then send them together with ⌥⌘↩.

Privacy

Private by design.

Read the privacy policy

Audio stays on your MacTranscribed on-device by Apple's speech recognition. Audio is never uploaded.
Your files stay on your MacCV, notes, transcripts and debriefs are stored locally.
Nothing kept on our serversText sent to write an answer, brief or debrief isn't stored by us.

FAQ

Interview Copilot questions

How does it know a question was asked?

It transcribes the interviewer on your Mac and notices when they finish a question. It answers the interviewer only, not you. Press ⌥⌘R to answer what was just said at any time.

How fast are the answers?

The answer starts in about a second, bottom line first. Reasoning mode (⌥⌘T) takes a little longer for harder problems.

Can it use my CV?

Yes. Add an interview with your CV, the job description and notes, and pick it before you start. Every answer then draws on it. Interview Prep.

Which call apps does it work with?

Any app that plays audio on your Mac: Zoom, Microsoft Teams, Google Meet in your browser, Webex, Slack huddles and the rest.

Will the interviewer see it if I share my screen?

No. macOS keeps the Finalist AI panel out of screen sharing, recordings and screenshots of the shared screen — whole screen or one window. You can check this yourself with a test share. Stealth Mode.

Live answers, while you interview.

Help you can use mid-sentence.

From question to answer.

It hears the interviewer

It spots the question

You see the answer

It keeps up

Every answer, the same clear shape.

Real questions, real answers.

Private by design.

Interview Copilot questions

Know what to say, live.