Both are fortresses, but Databook's enterprise sales intelligence moat (proprietary data, sales team lock-in, ROI dependency) is harder to dislodge than Obsidian's local-first markdown app (which could theoretically be cloned by any competent team in months), so **Databook wins as the tougher target**.
The marketing page is a five-prompt clone, but it's just a shell in front of a genuinely hard, years-in-the-making enterprise AI data product you can't reconstruct by prompting.
Full teardown →You can clone the brochure in a weekend; you cannot clone a decade-strength Electron app, a mature plugin ecosystem, and an encrypted sync backend with a prompt.
Full teardown →