Find your website’s bugs
before your users do, Faster.
Point us at a URL. 1,000+ AI users swarm your live site and catch every bug — in about 90 seconds.
No QA team. No waiting for bug reports. URL in, bugs out.
Four signals.
Every dot is a real agent’s reasoning trace — the exact spot a bug cost you the click.
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 a URL to a map of every bug your users would’ve hit.
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 bugs 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.