An AI user-testing platform that validates designs and products with real customers and synthetic users, right inside the tools teams already build with.
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What is TheySaid 4.0?
See how users will react, right where you build.
TheySaid is an AI user-testing platform for product teams that want evidence before they ship. Put a design or product in front of real customers, or synthetic users trained on your customer data, without leaving the tools you already use, such as Claude, v0, Replit, Cursor or Lovable.
Synthetic audiences follow tasks, share their screens and think aloud, so you can narrow options and set direction in minutes. Human audiences give you confidence before a big bet, and an Expert AI Reviewer critiques the experience against your spec. Sessions are recorded, transcribed and summarised, with clips and fix prompts for what needs changing.
The free plan includes 5 AI user tests and 50 AI surveys per month, with no credit card required, and Enterprise plans are custom-priced. TheySaid supports tests in more than 70 languages and works for product managers, designers and UX researchers validating onboarding, features, pricing and prototypes.
Platforms and languages
TheySaid 4.0 Availability
Platforms
Languages
Capabilities
TheySaid 4.0 Key Features
Synthetic audiences
Synthetic testers trained on real usability sessions use your design, share their screen and think aloud, so you get reactions in minutes.
Validation where you build
Feedback runs inside Claude, v0, Replit, Cursor and Lovable, and validation can trigger automatically when a ticket finishes design.
Human audiences
Test with your own customers or recruited testers, screened and scheduled for you, with results back in hours.
Expert AI reviewer
An AI critique checks your experience against your spec and best practice before anyone else sees it.
Evidence and fix prompts
Sessions are recorded and transcribed, issues are clipped and summarised, and you get a prompt to fix what broke.
Best for
Who uses TheySaid 4.0?
Product managers, designers and UX researchers
Validate designs, prototypes and features with customers before shipping
Plans and access
TheySaid 4.0 Pricing
Freemium
Free plan: 5 AI user tests and 50 AI surveys per month; Enterprise is custom-priced.
Common questions
TheySaid 4.0 FAQs
Is there a free plan?
Yes. The free plan includes 5 AI user tests and 50 AI surveys per month, with no credit card required.
How fast do I get results?
Synthetic tests finish in minutes, while tests with real people typically come back in hours rather than weeks.
Do I need to learn a new tool to run a test?
No. Tests run inside the design and build tools your team already uses, and tickets can trigger validation automatically.
What languages can tests run in?
TheySaid supports more than 70 languages across user tests, interviews and surveys.
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