AI INTERVIEW PREP · CALIBRATED TO YOUR ROLE
Paste the job. Meet your loop.
A day-by-day coach drills you, a live AI interviewer pressures you like a real bar raiser, and a hiring committee calls your verdict — all calibrated to the company and level you're actually facing.
free first screen · no card required · 14-day refund on unused credits
Deep-researched loops at
…and any other company or role — paste a job and we research its exact loop on demand.
The prep cycle
Study. Interview. Verdict. Repeat.
One continuous loop — and you can watch every stage live. Each verdict feeds your next study plan, so every lap you walk in sharper.
Coach: A strong answer names the decision that was yours — and puts a number on the impact.
tap 🔊 to listen
Maya · Design an AI agent that resolves support tickets end to end — walk me through the workflow.
Judy · Agent design was solid — clean planner and tools. But the human-in-the-loop only came after I pushed. Senior, not staff.
The difference
What a chatbot can't do
Generic AI mocks are too polite — they nod along and forget you. A LoopSim interview interrupts, probes, and lets the silence sit like a bar raiser — and does what no chatbot can: read your whiteboard, run your whole loop, and calibrate to the exact job you're facing.
It stops you when you ramble
Run long and the bar raiser cuts in — “let me stop you there” — then re-asks a sharper version of the question instead of nodding along.
It probes three levels deep
“What was YOUR role vs the team’s?” “What was the metric?” “What would your strongest critic say?” Every claim gets tested.
It lets silence sit
Give a weak answer and the interviewer doesn’t rescue you — a deliberate beat of dead air before it probes. Real loops feel like this.
It sees your whiteboard
Sketch your system design on a live canvas. The interviewer reads it and asks “where’s your cache?” — exactly like a real onsite.
It runs your entire loop
Recruiter screen through onsite, interviewers sharing notes between rounds, a committee at the end. Not isolated questions.
It’s calibrated to your JD
Paste the actual job. We research that company’s real format and that level’s real bar — never a generic template.
Before the room
Your study companion
Most prep is a pile of links you never finish. LoopSim turns the job you paste into a day-by-day plan, then a live coach drills you on it — so you walk into every round already sharp.
Staged to your interview date
Paste the job and we lay out a day-by-day plan that counts down to your real onsite — one focus a day, not a firehose of links.
A coach that teaches, not just tests
A live avatar coach drills today’s topic — what a strong answer sounds like, the traps that get you down-leveled — until it’s automatic.
Prove it, then improve
Finish a topic, prove it in a mock, and the committee’s verdict feeds tomorrow’s plan. Unlimited text coaching is free.
Inside the interview
One interview is a whole loop of its own
Zoom into the “Interview” stage above and it isn't one chat — it's the full onsite: round by round, interviewers sharing notes, a committee at the end.
Paste the job
Drop the JD, the interviewer names, and your interview date.
We research the loop
An agent assembles your predicted rounds, questions, and study plan in a minute or two.
Face it live
Speak to an avatar that watches your whiteboard and code, interrupts, and pushes back.
Committee debrief
A calibrated panel deliberates over your packet and calls the verdict — with a readiness score.
The deliverable
You get a debrief, not a vibe check
Every session ends in a calibrated scorecard — and the verdict competitors won't give you: the level your answers actually read at.
actual sample · Staff behavioral
Down-level detector
Reads as L5 against an L6 target — and exactly which story is one band too small, and how to retell it.
Annotated answers
Your weakest answers, the precise issue, and how a staff engineer would have answered.
Hiring-committee debrief
Watch a calibrated committee deliberate over your packet and call the verdict.
Delivery analytics
Crutch words, talk-share, conciseness — the spoken-round signal interviewers never tell you.
Calibrated, not guessed: Google-style hiring-committee rubrics, Amazon-style Leadership Principles probing with a bar-raiser round, Meta-style signal language — built from our internal knowledge base of publicly reported, confidence-labeled, last-verified interview formats and refined as real candidates report back.
not affiliated with, or endorsed by, any company named — descriptive use only
Pricing
Plans that keep you loop-ready
Human coaches charge $150–300/hour. Every plan includes unlimited text coaching and a monthly run of live-avatar mocks — or pay per loop, no commitment.
Starter
For a focused prep sprint
4 live mocks / month
- 4 live-avatar mocks / month
- 1 deep-researched target + briefing video
- Committee verdict on every mock
- Unlimited interview-only text coach
Prep Pass
POPULARStay loop-ready every week
8 live mocks / month
- 8 live-avatar mocks / month
- 2 deep-researched targets + briefing videos
- Everything in Starter
Intensive
CRUNCH MODEOnsite in two weeks
15 live mocks / month
- 15 live-avatar mocks / month
- 3 deep-researched targets + briefing videos
- Everything in Prep Pass
Prefer to pay per loop?
One-time packs · no subscription · credits valid 12 months
Full Loop Simulation
BEST VALUEComplete 4–5 round company-style loop + final debrief packet
Your first recruiter screen is free — no card required · 14-day money-back guarantee on unused credits · cancel anytime.
Questions
Is this affiliated with Google, Amazon, or any company named?
No. We simulate publicly reported interview formats and label each with a confidence level and a last-verified date. Not affiliated with, or endorsed by, any company named for descriptive purposes.
How is this different from ChatGPT or a generic AI mock?
Three things no chatbot does: a coach that teaches you day by day, a live avatar that interrupts and pressures you while reading your whiteboard and code, and a hiring committee that deliberates and calls your verdict — all calibrated to your exact job. Not a polite bot that nods along.
What levels do you cover?
Every level — entry through principal. The rubric and the bar shift with the level you target, because that’s how real committees calibrate. You tell us the role; we set the bar to it.
Do I have to talk out loud?
In live-avatar mode, yes — it’s a spoken interview, like the real thing, and that’s where the pressure comes from. There’s also a text mode if you prefer to type.
What do I actually get after a session?
A calibrated scorecard, an annotated transcript, a hiring-committee debrief, delivery analytics, and a loop-readiness score across all of your rounds. Then it closes the loop: your weakest axes become a day-by-day study plan, and a live avatar coach drills them before your next round.
Is there a subscription?
Your choice. Plans (Starter, Prep Pass, Intensive) include a monthly run of live-avatar mocks plus unlimited text coaching and your study plan — cancel anytime. Prefer no commitment? Buy one-time packs per round or per loop; credits are valid 12 months. Either way, your first recruiter screen is free, and there’s a 14-day money-back guarantee: a full refund of any unused credits within 14 days, plus a satisfaction guarantee on your first paid session.
Face your loop before it faces you
Paste the job you're interviewing for and run your first recruiter screen free — no card required.
free first screen · cancel anytime · 14-day refund on unused credits