Know exactly what to build before you start.
HewnTree is an AI-powered idea definition platform that turns your rough idea into a structured tree of requirements — ready to build, pitch, or export. Works for SaaS products, creative projects, and anything in between.
Free plan includes 50,000 tokens — no credit card required.
Built for people who think in ideas
Whether you're a solo founder, creator, or early-stage team — HewnTree is the idea definition platform that brings structure and clarity to any idea.
Solo Founders
You have a product idea but can't articulate it clearly to investors, co-founders, or developers.
Independent Creators
You keep cycling through the same vague concept and never make it concrete enough to act on.
Early-Stage Teams
Everyone on the team has a different understanding of what you're actually building.
What is HewnTree?
The short version — and a few common questions about what HewnTree is and isn't.
What is HewnTree?
HewnTree is an AI-powered idea definition platform. It takes your rough idea and turns it into a structured tree of requirements, covering everything from user flows to monetization to edge cases, by asking you targeted questions in batches.
What does HewnTree do?
HewnTree acts as a requirements gathering and product specification tool. It generates batches of AI questions about your idea, builds a live tree of definitions as you answer, scores each category for completeness, and exports the result as a clean PDF brief when you're done.
Who is HewnTree for?
HewnTree is for anyone who thinks in ideas but struggles to make them concrete — solo founders, independent creators, early-stage teams, writers, designers, students, and planners. It works for SaaS products, mobile apps, creative writing, visual art, events, research projects, and more.
How is HewnTree different from ChatGPT, Claude, or other AI chat tools?
AI chat tools are open-ended — you ask, they answer. The structure stops at the conversation, and the next time you open a new chat, you start over. HewnTree flips that: it asks you the questions, holds the structure, and tracks completeness across every dimension of your idea. Where a chat tool gives you a wall of text, HewnTree gives you a scored tree of requirements that lives across sessions and exports as a brief. Same underlying AI, very different shape of output.
From vague to vetted in 5 steps
No complicated onboarding. No setup required. Just describe your idea and let HewnTree do the heavy lifting.
Describe your idea
Type a rough description of what you want to build. No polish needed — HewnTree works with messy, early-stage thinking.
Answer AI questions
Our AI generates targeted question batches that surface the gaps in your thinking. You answer at your own pace.
Watch your tree grow
Every batch you commit adds nodes to your idea tree — categories, subcategories, and leaf-level definitions.
Track your readiness score
A live score shows how complete your idea is. Hit your target across all categories to reach Ready status.
Export your brief
When your idea is Ready, export a clean PDF that captures the full structure — suitable for investors, developers, or your own records.
Everything you need to define an idea properly
Everything a requirements gathering platform should have. Not a note-taking app. Not a mind map. A structured definition engine.
Idea Tree
Your idea is structured as a living tree of categories, subcategories, and leaf nodes. Every gap is visible at a glance.
AI Question Batches
Targeted questions that probe the weak points in your idea. Small (10), Medium (20), or Large (30) batches — your choice.
Readiness Score
A per-category score that rolls up to an overall readiness percentage. No vague progress bars — real, actionable numbers.
Tree Comments
Leave feedback on any node. The AI processes it and updates the tree, creating a full change history.
PDF Export
When your idea is ready, export a clean, structured brief. Force-export at any time for a current-state snapshot.
Nudge Emails
Configure per-idea reminders so you never let an important idea stall. Every 2 days, every 4 days, or weekly.
Ready to define your idea?
Start free. No credit card. 50,000 tokens to define your first idea from start to finish.