FlowSnap vs Synclet

FlowSnap turns app screenshots into sitemaps and user-flow diagrams for product managers, UX designers, and indie developers. Its infinite canvas supports panning, pinch zoom from 10% to 200%, color-tagged cards, and text annotations. A project can import up to 50 screenshots from a photo library or Google Drive. Users can connect cards with solid or dashed lines, customize connection colors, and label transitions. Optional AI tools analyze screenshots, suggest connections, and generate a Markdown sitemap summary; they require the user's Claude API key and send screenshots to Anthropic's Claude API. Projects are stored locally and can optionally sync to a FlowSnap folder in Google Drive, while the listing says FlowSnap does not store project data. Exports include PNG, PDF, SVG, JSON, and Markdown. The free plan allows three projects and adds a watermark to PNG exports. FlowSnap Pro costs $2.99 a month or $19.99, paid once, with unlimited projects, PDF export, watermark-free PNG, SVG, and priority AI features. Supported platforms are Android, iOS, and macOS.

Synclet is a web service that turns natural-language product descriptions into visual prototypes. Users refine screens, flows, and design updates through chat while Synclet builds a structured specification covering users, surfaces, screens, and their relationships. Generated designs can span web, mobile, and tablet experiences, including role-based screen variations. Prototypes are shareable through public links, and the specification can be downloaded in Markdown for AI coding tools such as Cursor, Replit, Lovable, and Claude Code. Some features work without an account; full access requires Google sign-in. The Free plan costs nothing and includes one project, seven screens per month, prototype generation, chat refinement, sharing, and export. Founding Member also costs nothing and includes five projects, 100 screens per month, sharing with anyone, export, and priority support. Existing screens remain accessible after reaching a limit. Synclet describes HTTPS/TLS encryption, secure authentication, assessments, and access controls.