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No. 1 Undetectable AI for Interviews, Meetings, and Sales Call

Get real-time guidance for coding, behavioral, and system design questions. Hide, show, or move your assistant as the conversation unfolds.

Try the demo

Free interactive preview. Unlimited AI with Pro at launch.


Stay precise when the questions get harder.

faangin follows the conversation

Keep the original question, constraints, and follow-ups in view as the discussion evolves.

00:00
Live context
Ask about this question⌘↵
Your interview copilot

Turn the question
into a plan.

Capture a coding problem and work through the approach, assumptions, and code. Ask a follow-up when you need more depth.

  • Clear approach
  • Reviewable code
  • Follow-up context
Actual faangin app explaining a stack-based approach and assumptions for printing linked-list values in reverse.Full size
Actual faangin capture Python approach

Turn meetings into clear next steps.

Revisit the discussion, keep decisions clear, and know what happens next.

faanginMeeting notesExample meeting
Quarterly review 28 min

Quarterly planning with Northstar

Maya, Alex & JordanTeam meeting

Action items

  • Gather onboarding feedback and the updated retention report.

    Maya
  • Share a simpler onboarding prototype before the next review.

    Alex
  • Schedule a dashboard walkthrough with the customer’s operations team.

    Jordan

Challenges & risks

  • Dashboard adoption remains uneven across the team.
  • The retention report is incomplete; confirm the trend before changing plans.

Key decisions

  • Prioritize simpler onboarding in the next sprint.
  • Review adoption and retention after the walkthrough.

Stay in control of your workspace.

Keep guidance close, choose your view, and position the workspace around the way you think.

Stay with the interviewer.Keep the question and context at hand while the conversation moves.

Window-only sharing · IllustrationDrag or tap a view

Your view. Their view.An example with only the interview window shared. Check your sharing preview; visibility varies by app and OS.

Interview workspaceExample
CODING ROUND Python
Find the first repeated request ID.["r7", "k2", "r7"] → "r7"
def first_repeat(ids):
seen = set()
for item in ids:
if item in seen:
return item
seen.add(item)
return None
faanginHint
Check before you add.Track IDs in a set. Return the first ID you’ve already seen.
O(n) timeO(n) space
Make room for your thinking.Try the arrows
Overlay position: bottom right

Put guidance in your line of sight.Move the overlay to the corner that feels natural to you.


faanginInterview notesExample
System design Backend engineer

Notification delivery
at scale.

Technical interview Practice excerpt
  1. Interviewer

    Design a notification service for email and push. How would you absorb traffic spikes?

  2. Candidate

    Persist the request and an outbox entry in one transaction. Workers process queued jobs; separate pools keep one channel from blocking another.

  3. Interviewer

    A worker crashes after sending, before acknowledging the job. What happens?

  4. Candidate

    Retry with the same delivery ID and provider idempotency where available. Without it, duplicates remain possible. Use backoff and a dead-letter queue.

Keep the reasoning.Durability, backpressure, and retry trade-offs.

Built for technical depth.

Code
Coding roundsExplain correctness and complexity. Examine edge cases and how the approach changes as constraints grow.
Story
Behavioral answersShow the scope you owned, the decisions you made, and the impact you can substantiate.
Design
System designWork through bottlenecks, failure modes, and operational trade-offs. Explain why the design fits the requirements.

One Plan. Every Powerful Feature.

Your real-time AI copilot for interviews, coding, meetings, and sales calls. Unlimited AI assistance and privacy controls in one Pro subscription.

FAANGIN PRO

Subscription preview

One workspace. A clearer next move.

Billing frequency
$49.99with monthly billing
$29.99/ month

$359.88 billed annually.

Save $240 per year compared with monthly billing.

Unlimited AI with either billing option.

Pro subscriptions and the 20-minute trial are coming soon.

Built around your next conversation

Undetectable Mode

Discreet AI. Built for your workspace.

Customizable overlay and privacy controls for supported sharing setups. Visibility varies by app and OS.
  • Real-Time AI Copilot

    Contextual guidance as conversations unfold.

  • Advanced Coding & System Design

    Go deeper on solutions and trade-offs.

  • Hands-Free AI Assistance

    Listen, transcribe, and get automatic replies.

  • Interview & Meeting Support

    Talking points, recaps, and follow-ups.

  • Fast & Smart Model Options

    Choose the mode that fits the moment.

  • Context-Aware Responses

    Clear guidance that follows your discussion.

See Everything Included

Explore the app’s current capabilities. Pro subscriptions, included AI access, and the free trial are coming soon.

  • Discreet overlay & privacy controls

    Discreet AI. Built for your workspace. Move, collapse, and customize your overlay. Capture-exclusion controls work with supported sharing configurations; visibility varies by app and OS. Check your sharing preview.

  • Real-time interview copilot

    Keep up as the conversation unfolds. Get contextual guidance from supported live audio and the discussion so far, with the required audio permissions enabled.

  • Advanced coding assistance

    Understand the approach, not just the answer. Explore algorithms, data structures, debugging, complexity, and edge cases. Generated code is guidance; it is not executed by the assistant.

  • System design copilot

    Go beyond coding. Work through architecture, distributed systems, scalability, databases, APIs, and technical trade-offs.

  • Hands-free AI assistance

    Stay focused on the conversation. Combine microphone and computer audio transcription with automatic contextual replies, without constantly typing prompts.

  • Meeting & customer-conversation support

    Have a clearer next step. Ask for relevant talking points, explanations, recaps, and follow-ups using the context of your conversation.

  • Fast & Smart model options

    Choose the response style you need. Choose Fast mode for quick guidance or Smart mode for more involved questions on supported requests.

  • Context-aware responses

    Guidance that follows your discussion. Get concise explanations and spoken-response suggestions informed by the question, conversation, and relevant context.

A little time. A lot more clarity.

Try faangin free

Planned at launch: 20 minutes of AI assistance. No credit card or personal API key required.

Free-trial activation and included AI access are not available yet.
Explore the interactive demo

See faangin in action while the trial is on its way.

All prices in USD. Annual billing is charged upfront. One plan, two ways to pay.


Why choose faangin

Unlimited AI.
One powerful plan.

Unlimited AI assistance, privacy controls, and hands-free support for coding, interviews, meetings, and customer conversations. One Pro plan for $49.99 a month.

  • Unlimited AI. Included.

    Keep getting help as the conversation develops. Unlimited AI assistance is part of the Pro offer.

  • Privacy controls. Included.

    A discreet overlay you control, with capture protection for supported sharing setups. No separate privacy tier.

  • More situations. One workspace.

    Coding and system design, interviews and meetings, customer calls and follow-ups—with hands-free guidance.

Your monthly price advantage

$100 less per month.

Compared with Cluely Pro + Undetectability.

faangin Pro $49.99 / month

Cluely $149.99/month · Monthly billing

Lower monthly price than all four selected plans shown.

faangin Pro: $49.99/month, billed monthly. Or $29.99/month with $359.88 paid annually.Pro subscriptions and the 20-minute trial are coming soon. Explore the demo today.

faangin Pro subscription preview and selected monthly plans from four AI tools
Plan detailsMonthly plan comparison
faangin ProPro · subscription preview
$49.99/ month · billed monthly
Unlimited AI + privacy controlsLowest monthly price shownSee Pro pricing
CluelyPro + Undetectability
$149.99/ month · billed monthly
Pro features + screen-share privacy$100 more / month compared with faangin ProOfficial pricing
Final Round AIMonthly Plan
$150/ month · billed monthly
Monthly plan rate$100.01 more / month compared with faangin ProOfficial pricing
LockedIn AIUnlimited General · monthly
$54.99/ month · billed monthly
Displayed promotional price$5 more / month compared with faangin ProOfficial pricing
Interview CoderMonthly Pro
$299/ month · billed monthly
Currently displayed offer$249.01 more / month compared with faangin ProOfficial pricing
Where it helpsMeetings and live callsAI guidance and meeting notes.Interviews and preparationLive copilot, question bank, and interview reports.Interviews, meetings, and mocksCoding, online assessments, document uploads, and reports.Multiple interview formatsCoding, system design, and audio guidance.
Discreet workspaceCapture privacy includedScreen-sharing privacy is advertised for this selected plan.Stealth mode advertisedListed on paid plans.Pro upgrade requiredStealth Mode and Duo are in the currently displayed $119.99/month Pro offer.Capture privacy advertisedThe vendor markets invisibility features; compatibility was not independently tested.
Billing & commitmentMonthly subscriptionMonthly subscriptionMonthly subscriptionDisplayed promotion; the page lists $109.98 as the standard General monthly price.Monthly subscriptionCancellation at any time is advertised.
AI access & limitsUnlimited AI responsesAll Pro features and meeting notes are included, as advertised.Unlimited Interview CopilotAdvertised with standard models on the Monthly Plan.Unlimited sessionsAdvertised interview and mock sessions, with up to two hours per interview.1,000 credits per monthPaid access includes the vendor’s AI models.
Try it firstFree Starter planLimited responses and meeting notes.Free preparation toolsBasic reports and prep management. Live sessions require Pro; no free trial is advertised.Free access with limitsFive-minute sessions, up to 60 minutes per day, with one-minute pauses between sessions.Free app downloadExplore the app; AI features require a paid plan.
Other billing optionsSee current billing optionsCheck official pricing for the selected tier and its current terms.Quarterly and annual plans$83.33/month billed quarterly or $25/month billed annually. Verify the upfront total before purchase.Other commitments availableThree-month billing, credits, and lifetime offers are listed. Check the plan features and upfront total.Lifetime Pro: $799 onceA different commitment from the selected monthly plan.
faangin compared with Cluely
faangin ProPro · subscription preview
$49.99/ month · billed monthly
Unlimited AI + privacy controlsLowest monthly price shownSee Pro pricing
CluelyPro + Undetectability
$149.99/ month · billed monthly
Pro features + screen-share privacy$100 more / month compared with faangin ProOfficial pricing
Where it helps
Meetings and live callsAI guidance and meeting notes.
Discreet workspace
Capture privacy includedScreen-sharing privacy is advertised for this selected plan.
Billing & commitment
Monthly subscription
AI access & limits
Unlimited AI responsesAll Pro features and meeting notes are included, as advertised.
Try it first
Free Starter planLimited responses and meeting notes.
Other billing options
See current billing optionsCheck official pricing for the selected tier and its current terms.

Selected public plans in USD · Checked Oct 30, 2026. Plans have different features and limits; these are not equivalent bundles. Promotions and terms can change. Vendor privacy claims have not been independently tested. faangin visibility varies by sharing app and OS.

Unlimited AI. A plan built around you.

See the workspace, explore the guidance, and choose the Pro offer that brings it together.

Pro subscription preview · $49.99/month billed monthly, or $29.99/month billed annually ($359.88 per year).


Frequently asked questions

Pro includes unlimited AI assistance for coding, system design, behavioral interviews, and meetings, with hands-free guidance and overlay privacy controls.

Pro is $49.99/month billed monthly, or $29.99/month billed annually ($359.88 per year). Both billing options include unlimited AI. Pro subscriptions and the 20-minute trial are coming soon.

Faangin supplies the AI models for Pro. Choose Fast for quick guidance or Smart for more involved questions on supported requests.

Coding, system design, and behavioral rounds. Examine correctness, complexity, and edge cases; work through bottlenecks and failure modes; and make the scope, decisions, and impact of your work clear.

faangin keeps the question, constraints, and response guidance in one workspace. Compare alternatives, examine weak points, and organize the reasoning behind your answer as follow-ups change the discussion. You decide what to say and how to support it.

faangin includes quick hide/show, a compact overlay, and flexible positioning. The actual app captures show expanded and compact views. Use the comparison slider and the example directional controls in the workspace section to explore those layouts.

The focus is technical reasoning: explaining design choices, handling deeper constraints, and communicating the scope and impact of work you actually owned. That makes the workspace relevant to experienced engineers as well as candidates preparing for their first technical role.

Pro includes managed AI access, so you can use it without a personal API key.

Explore actual faangin captures and try the interactive examples for free. Pro subscriptions and the 20-minute trial are coming soon.

Be ready to explain why.

Keep the constraints, alternatives, and trade-offs in view.

See it in action

Explore the free preview now. Pro with unlimited AI is coming soon.