Find your UX bugs before your users do.
100 AI personas test your site and tell you exactly where they got lost — in about 90 seconds.
No recruiting. No waiting for traffic. URL in, heatmap out.
Four signals.
Every dot is a real agent’s reasoning trace — not a guess about where eyes went.
Where eyes land first — and everything they skip right past.
Where reasoning stalls, momentum dies, and the back button wins.
What actually pulls them in and earns the next click.
What makes them leave — with the exact reason, in their words.
“The shipping fee appeared only at the last step. I don’t trust the total now — leaving.”
From URL to a heatmap of every place your users struggled.
Test with the users who actually matter.
Bring your own as markdown — or install a ZapStore pack →
Settle the debate. Automate the run.
Ship two versions. We crown the winner.
→ v2 wins by +12pp on completion
Run it from the chat you’re already in.
› 19/20 agents complete · 3 fixes found
Start free. 100 credits, no card.
Every plan runs unlimited simulations · switch anytime. see full comparison →
Just zap it.
100 free credits to start — enough for a full demo. No card up front.