Put what you’re building in front of real customers or synthetic users trained on them when you need an answer in minutes without leaving Claude, Cursor, or Jira. Nothing ships on a guess.
I’m Chris, co-founder of TheySaid. Years ago I built the original UserTesting, so I’ve spent most of my career helping teams watch real people use their products.
Here’s what changed: your team now ships more decisions than ever (designs, tickets, PRs), but checking them with customers still means scheduling, recruiting, and waiting. So it gets skipped. We call the result Validation Debt: the cost of decisions you shipped without customer evidence.
TheySaid 4.0 lets you see how users will react, right where you build. Ask from Claude Design, v0, Replit, Bolt or Lovable, or have it run automatically when a Jira, Linear, ClickUp or Monday ticket finishes design. Then watch real people or synthetic users try what you just made.
What’s new:
Synthetic users: that actually use your product, on screen and out loud. Each starts from a model trained on 100,000+ hours of real usability sessions, then is tuned to your customers with the data you choose: call recordings, surveys, support tickets, CRM.
Audiences: define your real and synthetic customer groups once, and anyone in your org can reuse them. MCP + Ticket Testing: feedback and a fix-it prompt inside your build tools, plus validation that triggers itself when design is done. No one has to remember to ask.
AI Companion: tell it what you need, and it does the work.
Experience Hub: always-on scoring of your critical customer experiences, with what to fix next.
Skills: reusable prompts for summaries, cohort analysis, and reports. Build it once. Run it forever.
Plus mobile app testing, clips and highlight reels, screeners, response quality monitoring, a unified test builder, a redesigned UI, and more.
And tell me: when you build with AI today, how do you find out whether customers get it? Or do you skip that step?
About TheySaid 4.0 on Product Hunt
“See how users will react, right where you build.”
TheySaid 4.0 launched on Product Hunt on October 27th, 2026 and earned 216 upvotes and 65 comments, earning #1 Product of the Day. Put what you’re building in front of real customers or synthetic users trained on them when you need an answer in minutes without leaving Claude, Cursor, or Jira. Nothing ships on a guess.
On the analytics side, TheySaid 4.0 competes within User Experience, Artificial Intelligence and UX Design — topics that collectively have 858.6k followers on Product Hunt. The dashboard above tracks how TheySaid 4.0 performed against the three products that launched closest to it on the same day.
Who hunted TheySaid 4.0?
TheySaid 4.0 was hunted by Ben Lang. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Ben Lang
Hey Product Hunt 👋
I’m Chris, co-founder of TheySaid. Years ago I built the original UserTesting, so I’ve spent most of my career helping teams watch real people use their products.
Here’s what changed: your team now ships more decisions than ever (designs, tickets, PRs), but checking them with customers still means scheduling, recruiting, and waiting. So it gets skipped. We call the result Validation Debt: the cost of decisions you shipped without customer evidence.
TheySaid 4.0 lets you see how users will react, right where you build. Ask from Claude Design, v0, Replit, Bolt or Lovable, or have it run automatically when a Jira, Linear, ClickUp or Monday ticket finishes design. Then watch real people or synthetic users try what you just made.
What’s new:
Synthetic users: that actually use your product, on screen and out loud. Each starts from a model trained on 100,000+ hours of real usability sessions, then is tuned to your customers with the data you choose: call recordings, surveys, support tickets, CRM.
Audiences: define your real and synthetic customer groups once, and anyone in your org can reuse them.
MCP + Ticket Testing: feedback and a fix-it prompt inside your build tools, plus validation that triggers itself when design is done. No one has to remember to ask.
AI Companion: tell it what you need, and it does the work.
Experience Hub: always-on scoring of your critical customer experiences, with what to fix next.
Skills: reusable prompts for summaries, cohort analysis, and reports. Build it once. Run it forever.
Plus mobile app testing, clips and highlight reels, screeners, response quality monitoring, a unified test builder, a redesigned UI, and more.
Stop shipping decisions nobody validated. 🚫
Try 4.0 FREE → https://www.theysaid.io/v4
And tell me: when you build with AI today, how do you find out whether customers get it? Or do you skip that step?