BuildBrief: Idea Teardown

Have a product idea but not sure what to build first? BuildBrief turns a rough, plain-English idea into a sharp little teardown on your device, in seconds. Type what you're thinking of building. BuildBrief gives you back: - Your idea, sharpened: a clearer restatement, the version that's actually buildable - 3-5 decisive questions: the answers that shape scope, cost, and complexity - The risks people miss: assumptions and blockers to resolve early - The smallest first slice: a focused first version to build or price before going bigger It's the kind of quick, structured thinking you'd want before writing a line of code, opening a doc, or pitching an idea. RUNS ON YOUR DEVICE - PRIVATE BY DESIGN BuildBrief runs an AI model entirely on your phone. Your ideas never leave the device. No account, no sign-in, no email, no servers. It even works offline. First launch downloads the on-device model once; after that, briefs generate locally. WHO IT'S FOR - Founders and indie hackers scoping the next thing to build - Product managers and designers pressure-testing an idea - Engineers turning a vague request into a concrete first slice - Anyone who wants a fast, honest second opinion on a concept A lightweight, AI-assisted starting point: a way to think, scope, or pitch with, not a full spec or professional advice. Always review the output before relying on it. No account. No data collection. Just your idea, sharpened.