Knallhart.dev Reviews — Discover what people think of this product.
knallhart.dev
Brutally honest AI website roasts for €10
Submit a URL, get an AI-generated roast with 3 specific, brutal issues and concrete fixes — delivered by email in minutes. No subscription, no dashboard.
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What does knallhart.dev help with?
Built knallhart.dev after years of having more honest opinions about client websites than I'd ever put in a formal proposal.
The AI takes a full-page screenshot of your site, analyzes it, and sends back 3 specific, brutally honest issues plus exactly how to fix each one — UX, design, structure. €10, one-time, no subscription.
Stack: Next.js, Playwright for screenshots, Gemini for analysis, Stripe, Resend.
Featured Today
Scale globally with less complexity
With Paddle as your Merchant of Record
Compliance? Handled
New country? Done
Local pricing? One click
Payment methods? Tick
Weekly Drops: Launches & Deals