The fastest way to understand your customer
Surveys, interviews, and concept tests — moderated by AI.
How do you feel about the summer collection?
Key themes
AI summary
Participants found the summer collection to be visually appealing, but expressed concerns about pricing, ad placement and size options.
Ask AI
One platform for all things research
Duet helps you run studies and get insights without needing to stitch together an entire toolbox.
AI-moderated interviews
An AI moderator that listens, probes, and adapts in real time — so you get the depth of a qual study without the scheduling overhead.
Flexible surveys
Build any kind of survey with AI-written questions and branching logic. From NPS to multi-section screeners to conjoint analysis.
Concept testing
Upload images, mockups, or descriptions and get real user reactions in hours — before you commit to building.
Reports & Analysis
From raw responses to shareable insights in minutes. Ask questions, surface themes, and export findings without touching a spreadsheet.
Pricing concerns emerged in 68% of interviews, often paired with confusion about the upgrade path.
AI that helps from start to insights
Duet helps you build studies, conduct interviews, and synthesize results into reports, saving you hours of manual work.
Create studies
Build your own study or ask our agent to create one for you from a document, template, or prompt.

Interview participants
Our moderator interviews participants for you, probing and transcribing in dozens of languages.
Key themes
Get insights
Ask our agent to surface insights and recommendations, or download the raw data for your own analysis.
Collect insights from any audience
Recruit from our participant panels, invite your own users with built-in emails and tracking, or embed studies directly in your product.
Audience
Participants
Participant panels
Recruit from our participant panels with millions of vetted B2C and B2B users.
Share study
Public link
Email invites
Your own audience
Send links to your own list with public links, unique links, and built-in emails with tracking.
How likely are you to recommend this product to a friend?
Embedded studies
Use our SDK to embed a Duet study in your product to capture in-context feedback.
People are talking
Duet is helping companies get actionable insights at a fraction of the time, effort and cost.
“We ran a concept test across three markets in a single afternoon. The insights were ready before end of day — something that would have taken us three weeks with a traditional agency.”
Sarah Michelsberg
Customer Success Manager, Airbank
“Duet doesn't just collect answers — it asks the follow-up questions we would have asked ourselves. The quality of the data is genuinely surprising.”
Julius Kowalski
Co-Founder & CEO, Zurchin
“We've replaced our quarterly brand tracker with Duet. We now run weekly pulse checks and catch sentiment shifts the moment they happen.”
Allie Chen
UX Researcher, Mirador
Idea & Product Testing
Validate and refine product concepts, prototypes and packaging
If you could change one thing about this product's design, what would it be?

Brand & Communication
Test and optimize brand positioning, messaging, and creative assets
You mentioned the tone felt too serious — would you prefer something warmer?
"Warmer for sure. It feels distant right now, like it's talking at me rather than with me."
Consumer Experience & Behavior
Understand attitudes, journeys, motivations, and behavioural shifts
What products do you use for your skincare routine at night? Can you show them to me?

Simple, transparent pricing
Start free, scale as you grow.
Don't guess, just listen.
Get startedFrequently asked questions
Everything you need to know about Duet and how it works.