Duos - AI Interview Practice

Practice job interviews with AI, get brutally honest feedback for your exact role.

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Updated Jul 2026 · Added Jun 2026

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What is Duos?

Duos is an AI-powered mock interview simulator that helps job seekers practice for real interviews with realistic scenarios and personalized feedback. Users practice against 64 unique AI interviewers on role-specific questions tailored to their target position, receiving detailed analysis of their answers covering structure, delivery, and improvement areas. The tool eliminates interview anxiety by providing private, judgment-free practice that mirrors actual interview experiences at global companies across engineering, product, design, marketing, HR, and 20+ other roles.

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Key Features of Duos

64 AI interviewers with unique personalities
20,000 role-specific questions
300+ curated soft skills questions
100.2 million unique mock interview experiences per role
Detailed feedback on structure and delivery
Role-specific preparation for 200+ positions
Private, judgment-free practice environment
Full analysis of every answer

Who Should Use Duos?

Backend engineers preparing for technical interviews

Product managers practicing behavioral questions

UX designers refining interview communication

Engineering managers preparing for leadership interviews

Full stack engineers building interview confidence

HR professionals practicing interviewing skills

Marketing specialists preparing for role-specific questions

Data scientists practicing technical and soft skills

Duos: Pros & Cons

✓Pros

Covers 200+ specific job roles across major career paths
Large question bank ensures variety and realistic scenarios
64 distinct AI interviewer personalities for authentic practice
Free first feedback available to new users
Private practice eliminates real-world interview anxiety
Detailed structured feedback on answer quality
No scheduling conflicts or human judgment involved
Supports global hiring markets (US, Europe, Asia)

Frequently Asked Questions about Duos

Can I practice for a specific job title, like senior backend engineer or product manager?

Yes. Duos covers 200+ specific job roles and pulls from 20,000 role-specific questions tailored to your target position. The tool generates 100.2 million unique mock interview combinations per role, so you get realistic scenarios matched to what you'll actually face in interviews for your exact title.

What kind of feedback do you get after each mock interview?

Duos analyzes the structure and delivery of your answers and flags improvement areas. You get detailed written analysis after every answer, broken down to show what worked and what needs refinement. The feedback comes from the AI interviewer's assessment of how you responded.

How many different AI interviewers will you practice with?

There are 64 distinct AI interviewers with different personalities baked in. Each one approaches questions differently, so practicing across multiple interviewers exposes you to varied interviewing styles and helps you stay composed regardless of who's on the other side of the table.

What happens after the free first feedback?

Duos operates on a freemium model, meaning you get your first feedback free to try the tool. The pricing page does not specify what paid tiers cost or what features unlock after that, so check their site for current plan details.