LobsterClass

Google Interview Warmup alternatives (2026)

Warmup shut down in April 2026. Here is an honest map of what to use instead — including where our own tool fits, and where it doesn't.

In April 2026, Google retired Interview Warmup, the free, no-login browser tool that had quietly become the first stop for thousands of job seekers. Open a link, pick a field, answer real interview questions out loud, get instant AI insights. And now, no tool.

What Warmup got right

It deserves real credit. It was completely free and asked nothing of you — no signup, no credit card, no "book a demo." You could be answering "tell me about a time you handled conflict" within thirty seconds of finding the page. It transcribed your answer and reflected it back: the job-related terms you used, your most-repeated words, the talking points it detected.

Most of all, it got people to answer out loud. Memory researchers call this the production effect: material you speak aloud is retained roughly 10–20% better than material you review silently. Any tool that gets you talking instead of re-reading is doing something real.

What it never did

That last gap is bigger than it looks. The classic finding, from Karpicke & Roediger's 2008 study in Science: once you can recall something correctly, re-reading it adds almost nothing — but continuing to test yourself keeps recall around 80% a week later, versus roughly 35% if you stop after one success. Reading your prep doc the night before feels like studying. Mostly, it isn't.

Have your answers written already?

Paste them into LobsterClass and drill them until they survive follow-ups — free, offline, no signup.

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The alternatives, honestly

Yoodli — best for delivery feedback and generic reps

The most polished consumer option left standing. Its speech analytics — filler words, pacing, eye contact — are genuinely good, and its AI roleplays cover common interview scenarios. The free tier gives you 5 roleplays lifetime; Pro is $8/month billed annually for 10 per week. Caveats: scenarios are generic rather than built from your material, and the company is pivoting hard to enterprise, so the consumer product is not the priority. If you mainly want to sound smoother, start here.

Pramp (Exponent) — best free option with real humans

Free peer-to-peer mock interviews: you interview a stranger, they interview you. Nothing simulates human pressure like an actual human, and the price is zero. The costs are time-shaped: scheduling friction, a partner-quality lottery, and no structured grading — your feedback is whatever your peer thought. If you're prepping for engineering or PM roles and can spare evenings, this is the strongest free practice available.

Final Round AI — polished mocks at a steep price

The AI mock interviews, with STAR-framework feedback, are genuinely well reviewed (4.7/5 on Product Hunt). But it costs $149/month, and the flagship feature — a real-time "copilot" that feeds you answers during live interviews — is controversial at best; we'd skip it on principle. If your interview is days away and budget is irrelevant, the mocks are strong. It is by far the most expensive option here.

ChatGPT voice — free and flexible, zero structure

Free, endlessly flexible, and it will happily play interviewer if you prompt it well. But there is no structure: you rebuild the prompt every session, there's no rubric, no memory of yesterday, no schedule, and the "grading" is whatever the model felt like saying. A fine improv partner. Not a training plan.

LobsterClass — when you have your answers and a date

Ours, so judge accordingly. LobsterClass is built around the two gaps Warmup never touched: your answers, and making them stick. Paste your actual material — STAR stories, tell-me-about-yourself, the salary line — and it drills each one using the cue-fading ladder proven on freshly learned text (full text → blanks → first letters → nothing), on a spaced schedule working backward from your interview date. You rehearse out loud and get scored on what you actually said, not on how confident you felt. All of that is free, offline, no signup. Then AI roleplay plays the interviewer who pushes back — probing follow-ups, not polite nods — and grades you against the answers you wrote. Honest caveat: roleplay currently requires your own Claude API key; without one you get the drills, not the interviewer.

ToolPriceDrills your answers?Follow-ups & gradingBest for
YoodliFree (5 lifetime roleplays); Pro $8/mo annualNo — generic scenariosDelivery analytics; light AI feedbackPolishing how you sound
Pramp / ExponentFree (peer swap)NoReal human follow-ups; unstructured feedbackLive-human pressure, free
Final Round AI$149/mo (cheaper annual)Partially — mocks adapt to your resumeSTAR feedback on mocks; controversial live copilotWell-funded, last-minute prep
ChatGPT voiceFreeOnly if you prompt it, every timeImprovised, no rubricFlexible improv practice
LobsterClassFree; roleplay needs your own Claude API keyYes — paste your answers, drill on a spaced scheduleAdversarial follow-ups, graded against your materialAnswers written + a set interview date

Which one should you pick?

It depends on where you are:

No tool interviews for you. But the difference between an answer you've read ten times and one you've retrieved ten times shows up at exactly the moment the interviewer leans in and asks "why?" — and that difference is trainable, this week, for free.

Your answers, drilled until they survive follow-ups.

Free memorization drills that work offline, a schedule built around your interview date, and an AI interviewer that grades you against your own material.

Practice it free →

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Same method, different room.