Your product, seen through every user's eyes
AI actors with real personas navigate your product, test your flows, and tell you exactly what they experience, seamlessly integrated to your workflow.
Fatima
Legal reviewer
Chen
Compliance officer
Sarah
First-time user
Marcus
Power user
Priya
Non-technical manager
Meet your cast
Your actors are AI agents designed to think and behave like distinct people. Each with their own background, expertise, and perspective on your product. They browse with real sessions, their own email, knowledge, and surface the insights that only come from genuinely using what you've built.
Take on any role
Real browser sessions. Real inboxes. Real credentials. Your cast has an authentic experience that's truly scalable.
Set the scene and let your actors improvise
Gather evidence with screenshots, recordings, and aggregated feedback aligned to your goals and objectives.
Audition ideas
Ask ad-hoc or follow-up questions to get quick and honest perspective.
Individual identity
Every actor gets their own identity and knowledge, with an email inbox and browser session just like a real user.
Integrations
Automate continuous validation with the tools your team already uses.
Locale experts
US, Europe, or Asia. Any screen size, any device.
Works with your AI assistants
Connect Claude, ChatGPT, or any AI assistant via MCP.
User interviews
Qualitative research, without the wait
Recruit a representative panel, run moderated interviews, and get synthesised findings in hours, not weeks. Stunt Double does the heavy lifting of qualitative research so your team can validate ideas and keep moving.
Recruit a panel in minutes
Cast actors you already trust or generate fresh personas for any audience. Every participant arrives with their own background, device, and point of view.
Guide the conversation
Draft a discussion guide of questions and think-aloud tasks, or let Stunt Double write one from your research brief, then refine it your way.
Watch them think aloud
Participants explore your live product, narrating every hesitation, delight, and dead end as they go. Full transcripts stream in as each session runs.
Findings, not just transcripts
The moment the last interview wraps, you get a synthesised report: key themes, verbatim quotes, and recommendations ranked by severity.
Participants
“I’d expect the total to update right here, but nothing happened. Now I’m not sure it worked.”
Test before you build
Run interviews against a Figma prototype with no live product required, so you can validate the design while it’s still cheap to change.
Validate every iteration
Re-run the same guide on each new version and compare findings round over round to prove what actually improved.
Consistent, with memory
Actors remember what they’ve told you before, so feedback stays consistent across rounds and builds on every prior session.
Co-creation
Better experiences, together
Bring actor insights and real human feedback into a single loop.
Human feedback too
Capture perspectives from both your AI actors and real human testers in one place.
Combined insights
Stunt Double surfaces patterns across all feedback, highlighting what matters most.
Suggestions
Get actionable recommendations tied to your goals, ready to action
Measure progress
Re-run journeys after each iteration to see what improved and what still needs work.
Insights that align
Three steps to continuous, user-informed feedback on every change you ship.
Define your goals
Create actors that match your users. Tell them what to look for.
Gather perspectives
Run checklists or open-ended conversations. Every finding comes with screenshots and reasoning.
Ship with confidence
Turn findings into action with a clear trail of evidence.
Pricing that scales with you
Cheaper than a complaint.
Solo Trial
1x team max, up to 3 months
Try it solo first
- 3 actors
- Unlimited usage (fair-use)
- Browser & Computer Use
- Linear & Slack
- 90 days history
Hobby
3 collaborators
For individuals and small projects
- 5 actors
- 160 min/mo, then $0.35/min
- Browser environment
- Public URL connection
- 30 days history
Startup
10 collaborators, then $5 each
For growing product teams
- 7 actors
- 560 min/mo, then $0.35/min
- Agent Credentials
- Linear & Slack
- 90 days history
Pro
25 collaborators
For teams that need more power
- 15 actors
- 1,000 min/mo, then $0.35/min
- Browser & Computer Use
- API, Linear & Slack
- 360 days history
Enterprise
Custom seats
For organisations with specific needs
- Negotiable usage
- VPN/VPC, self-hosted worker
- Custom integrations
- Full history
- Dedicated support
Works where you work
- Linear
- GitHub
- Slack
- Figma
- Vercel
- Claude
- Webhooks
FAQ
Questions, answered
Everything you need to know before you put your product in front of a cast.
What is Stunt Double?
Stunt Double deploys a cast of AI actors, each with a distinct persona, to navigate your product like real users. They work through journeys, complete tasks, and report exactly what they experience, backed by screenshots, transcripts, and clear recommendations.
How is this different from traditional user testing?
It complements it. Your actors give fast, repeatable feedback at any hour, across personas and devices, so you catch the obvious issues before spending real users’ time. You can bring human testers in too, and Stunt Double folds both into one set of findings.
Can I validate a design before I build it?
Yes. Point an interview at a Figma prototype and your panel reacts to the design frames, so you can test the direction while it is still cheap to change.
How trustworthy are the findings?
Every finding is grounded in evidence: the actor’s reasoning, the steps they took, and screenshots of what they saw. You can judge each recommendation on the proof rather than take it on faith.
Which tools does it work with?
Linear, Slack, GitHub, Figma, Vercel, and webhooks, plus a Model Context Protocol server so you can run journeys straight from Claude, ChatGPT, or any AI assistant.
How do I get started?
Start free, with no credit card required. Create your first actor in minutes and run your first journey the same day, then upgrade when you are ready to bring in the whole team.
