IdeaCheck tears apart your startup idea the way a brutal investor would in just 60 seconds. Paste your idea and get back a full 9-block business canvas built from real web research. It finds out a comparable real-world businesses that worked, market size and pricing reality, with a 48-hour next action, and an honest verdict: Build it, Tweak it, or Kill it. No sign-up. No fluff. Completely free. Built for founders who want the truth before they build.