The best AI mock interview tools in 2026, honestly compared
We build PrepOutLoud, one of the tools below, so read this as our take rather than a neutral review. We have kept every claim factual and sourced, including where another tool does something better. The most useful thing to know first: these tools split into two very different kinds.
Two kinds of tool
Practice before the interview
You rehearse a mock interview, get feedback on your answers, and walk in sharper. This is most of the list: PrepOutLoud, interview-prep.io, Revarta, Big Interview, Pramp, and interviewing.io. Google's free Interview Warmup used to sit here too; it no longer exists.
Assist during the interview
A copilot listens to your live call and feeds you answers in real time. Final Round AI and similar tools work this way. Candidates widely search whether these can be detected on Zoom, Teams, or coding assessments, and reporting in early 2026 noted some employers now prohibit real-time AI help. That is a real risk the practice tools do not carry.
This page is about the first kind: getting genuinely better before you interview. If a tool assists you live, weigh the detection and policy risk first.
The comparison
| Tool | Price and free tier | Adapts to your answers | Reads your level | Personalized to your job | Tells you what to practice next |
|---|---|---|---|---|---|
| PrepOutLoudPractice mock | Free while in beta: 10 interviews a week. Pro coming: $29 for a month, one-time, no auto-renew | Probes your specific answer with real follow-ups | Reads the level you demonstrated | Role, level, job description and resume | A dated plan for your target job, ending in a full-loop readiness check |
| Final Round AILive copilot + mocks | Free plan; paid from $25/mo | Not advertised for mocks | Not advertised | Resume and target job description | Not advertised |
| interview-prep.ioPractice mock | $12/mo or $3 day pass. Basic free tier | Scripted questions | STAR scores and a hiring-likelihood rating; no seniority read | Resume and JD (paid), 300+ company guides | Not advertised |
| RevartaPractice mock | $39/mo, $99/90 days, or $9 packs. 3 free mocks | Not advertised | Not advertised | Resume and JD (Gap Analysis, JD Decoder) | Game plan and gap analysis for your target role |
| Big InterviewPractice + course | $39/1 month, $99/3 months. Free course only | Feedback on recorded answers, not adaptive | Not advertised | Not advertised (resume builder is separate) | Ready-made playbooks by career stage |
| Pramp (Exponent Practice)Peer practice | Free | A human peer does | Peer opinion, informal | Peer matching by target company | Not advertised |
| interviewing.ioHuman mock | Per-session; pricing shown after signup. Free AI and peer practice | A live engineer does | Depends on the interviewer | Senior FAANG engineers; per interviewer | Not advertised |
| ChatGPT (DIY)General chatbot | Free, or $20/mo Plus | Only if you prompt it well | No calibrated level read | Only if you paste it in | Only if you ask, and it forgets |
Every competitor cell was checked against that vendor's own site in July 2026. "Not advertised" means we could not find the feature on their site, not that it definitely doesn't exist. Plans change often; check each tool's site before buying.
How to choose
A tool that reacts to your answer beats a static question list. Most practice tools, including Revarta and interview-prep.io, ask from a fixed set and then grade what you said. PrepOutLoud asks follow-up questions based on your specific answer, the way a real interviewer digs in. Big Interview adds a structured course if you want a curriculum.
Pramp is free peer practice. interviewing.io pairs you with a working engineer for detailed feedback, at a per-session price.
Understand that it assists during the real interview, that candidates actively search whether it can be detected, and that some employers now ban it. Getting better beforehand carries none of that.
Most tools hand you a menu and leave the sequencing to you. Big Interview's curriculum is structured but identical for everyone; Revarta builds a role-based game plan. PrepOutLoud Pro, coming soon, generates a plan for your specific job and interview date: which rounds to practice, in what order, ending in a full-loop readiness check.
PrepOutLoud's first interview needs no signup, and a free account gets 10 interviews a week while in beta. Every one gets the follow-ups a real interviewer would ask and the level you demonstrated, never a thinned-out version.
Prepping for a specific role? See the questions interviewers actually ask, by role, with what a strong answer shows.
Also in this series: practicing with ChatGPT vs a dedicated interview tool.
Common questions
What is the best free AI mock interview tool?
Several tools have a free tier, and the best one depends on what you want. Pramp is free peer practice with another job seeker. PrepOutLoud is free while in beta, 10 interviews a week, each with follow-up questions on your specific answer, complete feedback, and the level you demonstrated. Pick by whether you want a human or a mock that probes back.
What is a good Google Interview Warmup alternative?
Google retired Interview Warmup in early 2026: the app's address no longer resolves and Google's own Interview Warmup page redirects to a general interview-tips article. It was a free, low-pressure way to practice answering out loud, and the closest free replacements depend on which part you used it for. For speaking answers aloud with feedback that goes further than Warmup's talking-point checks, PrepOutLoud is free while in beta and adds follow-up questions and a level read. For practicing with a human, Pramp is free peer practice. For an unstructured warm-up, ChatGPT's voice mode works, within its daily voice allowance.
Is Final Round AI worth it, and can it be detected?
Final Round AI is a live copilot that assists you during the real interview rather than a tool you practice with beforehand. Candidates commonly search whether it can be detected on Zoom, Teams, or coding assessments, and reporting in early 2026 noted that some employers now prohibit real-time AI help. If you want to prepare without that risk, a practice tool you use before the interview is a safer choice.
Can ChatGPT run a mock interview?
Yes, if you prompt it carefully. The catch is that general chatbots tend to tell you an answer was good rather than show you where you would get rejected, and they rarely push back with follow-up questions. A tool built for interviews digs into your answer and calibrates the level, which is the part that actually changes how you perform.
What is a good Final Round AI alternative?
It depends on what you are after. For practicing before the interview with real feedback, look at PrepOutLoud, Revarta, or interview-prep.io. For a human mock, Pramp is free peer practice and interviewing.io pairs you with an engineer. For live assistance during the interview, weigh the detection and employer-policy risk before you rely on it.
Do AI mock interviews actually help?
They help most when they do more than read you a list of questions: when they follow up on your specific answer and tell you the level you demonstrated so you know what to fix. Reading a question bank is the easy part. Rehearsing out loud under follow-ups, and hearing where you fell short, is where the improvement comes from.
Try the practice side, free
Pick a role, answer out loud, and get follow-up questions on your actual answer plus the level you demonstrated. No signup, no card.
Start a free mock interview