Is this mock interview simulator really free?

Yes. Timed mock interview practice, framework hints, the browseable question bank, and rule-based scoring are free. A free Google sign-in unlocks AI-generated questions and AI coaching; those features use secure cloud processing. Session progress and scores are stored in your browser and sync to your Teamz Lab account when you are signed in.

Where do interview questions come from?

When you sign in, questions are generated by AI for your role, level, interview type (behavioral, technical, situational, case study, panel, phone screen, or final round), optional company or industry, and optional pasted job description or reference URLs. The AI does not browse URLs; paste posting text for the best match. If AI is unavailable, the tool uses a small built-in fallback bank. You can browse and filter questions in the Questions tab.

Is my interview practice data private?

Practice sessions, scores, bookmarks, journal, and related data are stored in your browser for speed. If you sign in with Google, the same interview data syncs to your Teamz Lab Firestore account (user_data) so you can continue on another device. AI-generated questions and AI coaching send prompts to Teamz Lab cloud functions; they are not used to train public models. Reset from the Progress tab clears local data and syncs that reset when you are signed in.

Can I practice for specific companies like Google or Amazon?

Yes. Enter the company name in the Setup tab so AI sessions can tailor prompts toward that employer. Optionally paste the job posting under Job description and links for role-specific questions. Combine with behavioral STAR or guided STAR mode to match how many firms evaluate stories. Results depend on your answers and the context you provide.

How is my interview answer scored?

Answers are scored on four dimensions, each worth 25 points for a total of 100. Structure (STAR) measures whether your answer follows the Situation-Task-Action-Result framework. Length checks that your answer is between 100-300 words (the ideal range). Specificity rewards concrete details, numbers, and first-person narrative. Relevance measures keyword alignment with the question asked.

What is the AI prep plan?

An optional Setup section that generates a text roadmap: topics to study, a day-by-day style plan, and how to use this tool's tabs. It uses the same role and job fields as mock sessions but is separate from interview questions. Sign in for cloud AI when enabled; pasted job text works best; URLs are hints only.

Does this work on mobile?

Yes. The entire tool is fully responsive and works on phones, tablets, and desktops. You can practice on your commute or anywhere with a browser. Progress is saved in the browser on each device; sign in to sync interview data across devices via your account.

AI Mock Interview Practice Simulator

A free online mock interview simulator for job interview prep: timed questions, instant scoring, STAR and other frameworks, plus pitch, negotiation, project defense, and whiteboard tabs. Sign in with Google for AI-generated questions matched to your role, level, and company. Most practice data stays on your device; optional AI features use secure cloud processing.

Quick Start — Popular Roles

Configure Session

Interview Type

Experience Level

Job Role

Company (optional)

Industry (optional)

Job description & links (optional — better AI tailoring)

Paste the posting text for the strongest match. URLs are sent as hints only — the AI does not browse the web; it uses your pasted text plus role, company, and industry.

Job description (paste from posting)

Job posting URL (optional)

Company website URL (optional)

Difficulty

Number of Questions

Time per Question

AI prep plan (optional)

Separate from mock questions: a 7-day style roadmap (topics, daily focus, how to use this tool’s tabs). Uses the same fields above — fill role and paste a job description for best results. Sign-in required; uses cloud AI when configured.

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Set up a session in the Setup tab to start practicing.

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Complete a practice session to see your feedback.

Build Your "Tell Me About Yourself" Pitch

The most common interview question. Build a structured pitch you can deliver confidently in 30 seconds, 60 seconds, or 2 minutes.

Target: 40-60 words

Background

Current Role

Key Achievement

Why This Role/Company

Goal

Your Pitch Preview

Start filling in the fields above to see your pitch here.

0 words

Salary Negotiation Trainer

Practice responding to common negotiation scenarios. Select a scenario, read the prompt, then write your response.

Scenario

Select a scenario above to start.

Your Response

Recommended Steps

Project & Portfolio Defense

Prepare to walk through your key projects in interviews. Fill in each section to build a structured project narrative.

Whiteboard — Visual Thinking

Draw system designs, flowcharts, and diagrams during technical or case study practice. Dual coding (visual + verbal) doubles memory retention.

Showing 0 questions

Badges

Competency Scores

Practice Calendar (Last 35 Days)

Interview Journal

Log your real interviews to track patterns and improve over time.

How the Free Online Mock Interview Simulator Works

Last updated: April 2026. The AI mock interview practice simulator is a free browser-based job interview simulator for timed mock interviews with instant rule-based scoring. Configure your session in three steps: choose an interview type (behavioral, technical, situational, case study, panel, phone screen, or final round), set experience level and difficulty, then answer under realistic time limits. After each answer, scoring checks STAR-style structure, length, specificity, and relevance. Signed-in users get AI-generated questions matched to role, level, and optional company or industry; a small offline fallback bank keeps practice available if AI is unavailable. Progress and scores save locally in your browser; optional AI coaching uses secure cloud processing.

Interview Types You Can Practice

The simulator supports seven distinct interview formats. Behavioral interviews use the STAR method to evaluate past experiences in areas like leadership, teamwork, and conflict resolution. Technical interviews test domain-specific knowledge for developers, designers, product managers, marketers, sales professionals, HR, and finance roles. Situational interviews present hypothetical workplace scenarios that test problem-solving and judgment. Case study interviews require analytical frameworks, market sizing, and structured thinking typical of consulting and product management roles. Panel interviews simulate multi-interviewer settings with questions from different perspectives. Phone screens focus on initial screening for cultural fit and basic qualifications. Final round interviews test executive presence, strategic thinking, and alignment with company vision. Each type adjusts question complexity by seniority level from entry-level to executive.

AI-Powered Feedback vs. Rule-Based Scoring

Every practice session includes free rule-based scoring that analyzes four dimensions of your answer. Structure scoring checks for STAR method keywords and logical flow. Length scoring penalizes answers that are too brief (under 50 words) or too verbose (over 500 words), with the ideal range being 100 to 300 words. Specificity scoring rewards first-person narrative, concrete numbers, percentages, and named outcomes. Relevance scoring measures keyword overlap between your answer and the question. Scores combine to a 0-100 total with letter grades from A+ to F. AI-powered feedback is also available through a free Google sign-in, providing personalized improvement suggestions and identifying gaps in your response.

Tips to Improve Your Interview Practice Scores

Follow these strategies to consistently score higher. First, use the STAR method for every behavioral question: explicitly state the Situation, Task, Action, and Result. Second, quantify your results whenever possible. Saying "reduced support tickets by 40 percent" scores higher than "improved customer satisfaction." Third, practice under time pressure to build confidence and reduce filler words. Fourth, review your feedback after each session and rewrite weak answers. Fifth, track your progress over time to identify which competencies need the most work. Sixth, practice all seven interview types rather than staying in your comfort zone. Seventh, use the framework hints before writing your answer to structure your thinking before you start typing.

Who Uses This Interview Simulator

The simulator serves a wide range of users. Job seekers preparing for upcoming interviews use it to rehearse under realistic conditions. Career changers transitioning to new industries practice unfamiliar question types. University students entering the job market for the first time build confidence with structured practice. Career coaches recommend the tool to clients as homework between coaching sessions. Non-native English speakers practice structured communication in a low-pressure environment. Professionals preparing for internal promotions or lateral transfers rehearse questions calibrated to their target seniority level.