HelplyAI is an AI-powered interview assistant that provides real-time help during live interviews, mock interview practice, and smart coaching for technical, HR, and behavioral interviews.

How does HelplyAI help crack interviews?

HelplyAI uses advanced AI to analyze interview questions in real-time and provide instant suggestions, answers, and coaching. It supports coding interviews, behavioral interviews, and HR rounds.

Is HelplyAI free to use?

HelplyAI offers both free and premium plans. You can start practicing mock interviews for free and upgrade for advanced features like real-time interview assistance.

Is HelplyAI better than Final Round AI or LockedIn AI?

HelplyAI offers real-time interview assistance, screen analysis, and mock interview features at a more affordable price than Final Round AI and LockedIn AI, with support for both macOS and Windows.

What platforms does HelplyAI support?

HelplyAI is available as a desktop application for both macOS and Windows, with a web-based settings dashboard accessible from any browser.

Can I use HelplyAI in a live McKinsey interview?

Yes. The AI overlay is invisible to screen-share on every platform McKinsey uses (Google Meet, Zoom, Teams, internal tools). Captures system audio, transcribes, generates an answer, renders above the screen-buffer — interviewer sees only their own UI.

Will McKinsey detect that I'm using AI?

No. HelplyAI runs as a standalone desktop app — no browser extension, no JavaScript injection, no API hooks. From the OS perspective it's just another app running on your laptop.

Does HelplyAI handle the McKinsey system design round?

Yes. For senior loops we generate full system designs: requirements clarification, capacity numbers, API sketch, deep-dives on bottlenecks, and trade-offs — exactly what staff/principal-level interviewers want.

Is the McKinsey interview AI helper free?

Yes. Free plan includes daily real-time interview help, mock interviews, resume builder, and answer generator. Premium unlocks unlimited usage and the fastest tier.

How does this compare to Final Round AI or LockedIn AI for McKinsey prep?

Final Round AI and LockedIn AI are generic interview copilots. HelplyAI ships McKinsey-specific rubrics and question banks tuned to the actual hiring committee's scoring. We also have the only free plan that includes real-time AI on a McKinsey interview.

Will HelplyAI's answers feel generic in a McKinsey round?

No. The AI knows McKinsey's preferred structure (e.g. top-down hypothesis with MECE structure). You edit lightly so it sounds like you, but the structure lands clean.

Home › McKinsey Case Interview AI

Calibrated for McKinsey hiring rubrics · 4.9★ rated

Crack the McKinsey interview — with AI tuned to their rubric

Name: HelplyAI
Rating: 4.9 (30000 reviews)
Author: HelplyAI

McKinsey scores cases on Structure, Analysis, and Synthesis. The PEI round scores on Leadership, Personal Impact, and Entrepreneurial Drive. HelplyAI surfaces both rubrics during the live round. HelplyAI listens to every round, transcribes, and renders a recruiter-grade answer in under 2 seconds — invisible on screen-share.

Get HelplyAI for McKinsey See loop coverage

Free plan · No card · Mac & Windows · Stealth mode tested on every interview platform

McKinsey interview AI helperMcKinsey interview prepMcKinsey coding interviewMcKinsey behavioral interviewMcKinsey system designMcKinsey hiring rubricMcKinsey loop AI

Cracking the McKinsey interview loop is harder in 2026 than ever: McKinsey pushes more candidates into more loops while simultaneously raising the hire bar each year. The interview structure: 2 first-round case + PEI → 2 second-round case + PEI (Partner round). Recommendation must be top-down. MBB consulting hires on structured-thinking signal density. Cases must be MECE, hypothesis-driven, and end with a clear recommendation.

HelplyAI is the highest-precision McKinsey interview AI helper on the market because it's calibrated against the actual McKinsey hiring rubric — not a generic ChatGPT prompt. The AI listens to each round, transcribes the question, and renders a McKinsey-style structured answer (STAR for behavioral, requirements- flow-deepdive for system design, brute-then-optimal for coding) in under two seconds. The translucent overlay sits above the screen-share buffer so the interviewer never sees the answer.

Pair the live AI interview helper with our McKinsey-tuned mock interviews, the AI interview answer generator for prep, and the AI resume builder to land the McKinsey screen in the first place.

Features that make HelplyAI the strongest choice

🧮

Case structuring

AI generates MECE issue trees in seconds for any case prompt — profitability, market entry, M&A, ops.

🎯

Hypothesis-driven

Cases are scored on top-down hypothesis-driven thinking. AI primes you with the upfront hypothesis and recommended next-step.

🔢

Mental math + estimation

AI generates clean back-of-envelope math for sizing, breakeven, and unit economics.

🤝

PEI (Personal Experience)

McKinsey scores leadership, personal impact, entrepreneurial drive across the PEI rounds. AI structures STAR around those three pillars.

How it works

Tell HelplyAI it's a McKinsey loop

Pick "McKinsey" in the role panel. The AI primes its rubrics, question banks, and answer styling for McKinsey.

Mock the loop first

Run 2-3 mocks on each round — coding, system design, behavioral. Get scored against McKinsey's actual rubric.

Use it live in your real round

When the question lands, the AI overlay drops a structured answer in under 2 seconds. Speak in your voice, with your additions.

Land the offer

McKinsey candidates using HelplyAI report 2-3x higher onsite-to-offer rate vs unstructured prep.

Frequently asked questions

Yes. We have McKinsey-specific question banks, rubrics, and answer styles. The AI knows what McKinsey interviewers score for and primes answers in their preferred structure.

Crack your McKinsey interview with HelplyAI

McKinsey-tuned rubrics · Real-time AI · Free plan · Stealth mode

Get HelplyAI free