Best Free AI Interview Tools

Tools that conduct simulated interviews with AI. The best ones use voice interaction, generate contextual follow-ups based on your actual answer, and provide dimensional scoring (not just "good job"). VirtualInterview.ai offers free voice-based sessions with a free account. Intrvio's GAIA does the same with rubric-based scoring. Google Interview Warmup is text-based and limited to specific roles but completely free. OphyAI provides free credits for resume-grounded interviews. The key differentiator between platforms is feedback specificity — does the tool tell you what to fix and where in your answer?

Collections of interview questions organized by role, company, and type. Glassdoor remains the best free source for company-specific questions — candidates self-report questions from real interviews. LeetCode dominates for algorithm and data structure questions with a useful free tier. Exponent covers PM, consulting, and business case questions with limited free content. These are passive research tools: they help you know what to practice, not how well you perform. Use them for question discovery, then switch to a practice tool for delivery.

Your phone's camera and voice memo app are free tools most people overlook. Record yourself answering 5 questions, watch the playback, identify patterns — filler words, eye contact avoidance, excessive hand gestures. Yoodli (limited free tier) adds automated speech analysis including pacing, filler word counts, and energy variation. Loom's free tier lets you share recordings with mentors for external feedback. This is the highest-effort but most self-revealing practice method.

Before the interview comes the resume screen. VirtualInterview.ai offers a free ATS resume builder. WriteCV provides free resume scoring with dual-method ATS analysis. Careerkit generates AI-powered bullet points tested against Greenhouse, Lever, and Workday. Jobscan offers 5 free resume-to-job scans per month. These tools help ensure your resume passes automated screening — earning you the interview that you then need to practice for.

Pramp (now part of Exponent) pairs you with another candidate for free peer practice — each person takes turns as interviewer and interviewee. Quality varies by partner. Reddit communities (r/interviews, r/cscareerquestions) and Discord servers for job seekers offer opportunities to arrange mock interviews with strangers. The best approach: use AI tools for objective scoring first to build your baseline, then add peer practice for the social pressure dimension that AI can't replicate — a real human listening and reacting.

Before using any free tool, verify: Is it time-limited (7-day trial that auto-charges)? Does it require a credit card for the "free" tier? Does it email you aggressively after signup? Does it watermark exports? A genuinely free tool lets you experience the core product without financial risk. If a tool asks for your credit card to start a "free" experience, it's a trial — and many will charge you $20-50/month when the trial ends without prominent warnings.