One free hour on signup, no card

The AI interview assistant
they can’t see.

CueStream listens to your interview, understands the question, and puts the words you should say on your screen, in about a second. Hidden from screen share. Works on video calls and phone screens.

Download for Windows

Windows 10 & 11 · macOS coming soon

12:04
429. N-ary Tree Level Ordernotes.md
1/**
2 * Definition for _Node.
3 * class _Node {
4 *     val: number
5 *     children: _Node[]
6 *
7 *     constructor(v: number) {
8 *         this.val = v;
9 *         this.children = [];
10 *     }
11 * }
12 */
13
14function levelOrder(root: Node | null): number[][] {
15    
16};
CueStream00:22
Transcript

YouCan you hear me?

InterviewerYes, I can hear you.

InterviewerHow would you return an N-ary tree’s values level by level?

Listening…

Problem: Return an N-ary tree’s node values level by level.

I’d use breadth-first search because it naturally processes one depth at a time, unlike DFS, which would need extra grouping by depth. I’ll keep a queue, record its current size as the level boundary, then process exactly that many nodes and enqueue their children.

For an empty tree, I return an empty array. Each completed level is added to the result, and using an index instead of shifting keeps the traversal linear.

function levelOrder(root: Node | null): number[][] {
  const out: number[][] = [];
  const queue: Node[] = root ? [root] : [];
  let head = 0;
  while (head < queue.length) {
    const size = queue.length - head;
Waiting for a question…Auto
Excluded from capture at the OS level

Works with anything that makes sound on your machine

  • Zoom
  • Google Meet
  • Microsoft Teams
  • Webex
  • HackerRank
  • CoderPad
  • CodeSignal
  • Phone screens
  • Recorded interviews

The 30-second pitch

You’re on the call. The question lands. CueStream has already heard it, and the answer is on your screen before you’ve finished saying “great question”. Short, spoken sentences you can read out without sounding like you’re reading. The interviewer sees your face and whatever you’re sharing. Nothing else.

The seven that matter

Hidden from their screen.
Right in front of yours.

From the first live answer to the review afterward, CueStream stays grounded in the conversation. No meeting bot or browser extension required.

  1. 01

    Invisible to screen share

    The answer panel is excluded from screen capture at the operating-system level, not hidden behind a window, not moved off-screen. Everything that captures your desktop captures it with the panel simply not there.

    ZoomGoogle MeetTeamsOBSScreenshotAlt-TabTaskbar
  2. 02

    Answers in about a second

    Streaming word by word on the fastest inference available. You’re reading the first sentence while the rest is still arriving. No waiting for a paragraph to finish.

    Question ends≈ 1.0sFirst words on screen
  3. 03

    Written to be spoken, not read

    Every answer is generated under a hard rule: it has to be sayable out loud. No backticks, no camelCase, no method signatures, no bullet lists. A technically perfect answer nobody can say out loud is a failed answer.

    Comparator<T>.thenComparing(fn)
    “a comparator of T, then compare by the function”
  4. 04

    It never makes things up about you

    Every employer, project, metric and percentage in your answer has to already exist in your resume, the job description, or what was actually said on the call. A number the AI invented is exactly what the interviewer follows up on.

    Your resumeThe job descriptionWhat was said on the callAnything else
  5. 05

    Click-through, so it never gets in the way

    The panel floats above everything, but your clicks pass straight through it to the IDE or browser underneath. Only the panel itself catches a click.

    Answer panelpasses through
    IDE or browserclick lands
  6. 06

    Phone screens too

    Most copilots die the moment the interview isn’t on your laptop. Put the call on speaker: one mic hears both of you, and CueStream still works out who said what, then answers the interviewer’s question, not your own words back at you.

    InterviewerYouone microphone, separated live

  7. 07

    Session Evaluation

    See how clearly and naturally you delivered the answers CueStream provided. Find the moments that sounded scripted, dense, or disconnected from the interviewer.

    76 / 100Clear, but scriptedEvidence linked at 18:42

How it works

One key. One second.
One answer.

  1. 01

    Set up in two minutes

    Upload your resume, paste the job description, pick the round type. Keep a library of resumes and reuse them across sessions without re-uploading.

  2. 02

    Start the session and share your screen as normal

    CueStream goes invisible and starts listening to the call audio and your microphone. Nothing to install in the meeting app, nothing to switch on.

  3. 03

    Press one key when you’re asked something

    The answer is on screen before you’ve finished nodding. Scroll back to any earlier answer with one click when they circle around.

After the interview

See how you communicated the answer.

CueStream provides the words. Session Evaluation shows whether you delivered them clearly, naturally, and as part of a real conversation—not whether the generated answer was correct.

CueStreamPlatform architecture · Communication Evaluation

Your answers were clear and direct, but several passages sounded read rather than spoken. Longer sentences carried too many ideas at once, and you sometimes continued into the next point without leaving space for the interviewer to respond.

Score breakdownFive-point scale · focused on communication
Natural delivery3 / 5
Evidence timeline18:4227:05
Vocal tone and paceNot assessed

The saved transcript does not reliably preserve tone, emphasis, or speaking speed.

Strengths

Direct openings, clear sequencing, and very few filler phrases.

Next steps

Shorten dense sentences, paraphrase key points, and pause before each example.

Started on demand · usually ready in under a minute · saved with the session

  • Your delivery, not the generated answer

    CueStream already helped with what to say. The report looks at how you communicated it: whether you sounded natural, stayed concise, and responded to the interviewer instead of simply reading.

  • Catch the read-aloud patterns

    Long sentences, repeated phrasing, abrupt transitions, and overly polished language can make a good answer feel scripted. The report points out where that happened.

  • What happened. What to try next.

    Every communication issue comes with a practical adjustment: shorten a sentence, paraphrase a point, pause before an example, or answer the follow-up more directly.

  • Grounded in the conversation

    Evidence links take you back to the exact moments that shaped the feedback, so you can see the pattern in context instead of guessing what the score means.

  • Built for interviewer rapport

    The review looks for direct answers, clear structure, conversational wording, and signs that you adapted when the interviewer clarified or challenged a point.

  • Not a grade on technical correctness

    Session Evaluation does not take credit for the answer CueStream supplied or judge it as your expertise. It gives you a focused view of the communication around that answer.

Review your next session

See where your delivery felt natural—and where it still sounded like reading.

Review your next session

Pricing

Pay as you go.
No subscription.

One credit is one hour of live interview. Credits never expire.

Single Session

$9.99

$9.99 per session


1credit= 1 hour live

One round, or a practice run the night before the real one.

Interview Pack

Most popular

$29.99save 25%

$7.50 per session


4credits= 4 hours live

A full loop: recruiter screen, technical, and the follow-ups.

Job Search

$69.90save 30%

$6.99 per session


10credits= 10 hours live

A whole search at several companies, with room to practice between rounds.

Every plan covers every round type: behavioral, technical, system design, live coding and phone screens. Unused within 14 days? Full refund.

  • Start freeOne full session credit on signup. No card.
  • Refer a friendYou both get credit when they join, and more when they buy.
  • Only the live hour countsAnswers, diagrams, screenshots and resume processing cost nothing extra.

Privacy & trust

What leaves
your machine.

Audio never stays.

  • Your audio is never stored

    It streams straight from your machine to the transcription engine and is gone.

  • Nothing runs through a middleman server

    Audio goes direct. It never passes through our infrastructure.

  • Voice recordings are discarded immediately

    The voiceprint is computed, the audio is thrown away. We never keep it.

Can the interviewer see it on screen share?

Not in anything you share or record. The panel is marked with Windows’ own capture-exclusion flag, so screen sharing, screen recording and screenshots capture your desktop with the panel simply absent. It isn’t hidden behind a window or moved off-screen. It’s also kept out of the taskbar and Alt-Tab. What that does not cover: a camera pointed at your screen, a second monitor someone can see over your shoulder, or monitoring software an employer installs on your machine, which reads the running process list rather than the screen.

Does it work on Zoom, Google Meet, Teams, HackerRank, CoderPad?

Yes. CueStream doesn’t integrate with the meeting app at all. It listens to your system audio and your microphone, so it works with anything that makes sound on your machine, including recorded interviews and coding platforms.

What about a phone interview?

Phone mode is built for exactly that. Put the call on speaker; one microphone picks up both sides and CueStream separates the interviewer from you.

Do I need headphones?

No. Real echo cancellation means the interviewer’s voice coming out of your speakers doesn’t get mistaken for yours.

Will the answers sound like a robot read a wiki page?

That’s the thing we optimized hardest against. Everything is generated to be said out loud: short conversational sentences, plain words, no jargon where an everyday word exists, and no syntax you can’t pronounce.

Will it invent a project I never worked on?

No. It’s forbidden from stating any specific about you that isn’t already in your resume, the job description, or the actual conversation. With nothing grounded to draw on, it answers in the present tense about how you’d approach the problem instead of fabricating a past.

What does Session Evaluation review?

It reviews how you communicated the answers CueStream provided: whether your delivery was natural, clear, concise, and responsive to the interviewer. It flags moments that sounded read or overly dense and gives you a specific adjustment to practice next time.

Is the Session Evaluation score a hiring prediction?

No. It is a communication-coaching summary based on the saved conversation. It does not grade the answer CueStream generated, claim that answer as your expertise, or make a hire or no-hire recommendation.

One free hour on signup, no card

Never freeze in
an interview again.

Download it, run one practice round tonight, and see what it puts on your screen before the call that matters.

Download for Windows

Windows 10 & 11 · macOS coming soon