Cairn vs FlowMapp

Cairn is a macOS desktop app for mapping screens, data, roles, and CRUD operations before building a product. Users sketch low-fidelity pages, modals, and sheets, then connect them into scenarios with triggers and dependencies across roles. Cairn checks whether data used on a screen was created earlier in its causal flow and flags missing data. Its Fields and Journeys views show where data appears and how each role moves through a flow. The app works offline and saves projects as portable.cairn files on the user's Mac. The maker says Cairn has no accounts or telemetry and does not upload project files; it connects to the internet for update checks and Pro license validation. Cairn is positioned as a complement to Figma for later visual design. The free plan costs nothing and includes one project and up to two scenarios, but does not allow file import or export. Real-time collaboration is not available, and Cairn is not intended for pixel-perfect or high-fidelity design.

FlowMapp is a visual platform for planning UX work and pitching web design projects. It brings together visual sitemaps, user flows, wireframes, content planning, project estimates, and invoices. The sitemap tool includes an AI generator, and teams can share projects, invite editors, and collaborate with comments in real time. Interactive prototyping and prototype sharing are supported. Wireframes and website pages can be exported directly to Figma; projects can also be exported as PDF, PNG, XML, CSV, or a webpage. XML sitemap imports are limited to 500 pages and are available on Pro, Team, and Agency. FlowMapp offers a Free plan at free, with one project and 20 pages. Pro costs $15 a month, Team $35 a month, and Agency $99 a month when billed monthly; lower monthly rates are listed for annual billing. A free trial is available. FlowMapp runs on web, Linux, macOS, and Windows, though it recommends desktop operating systems because its web technologies are not fully supported on mobile operating systems. It has no desktop app.