Redstrings

Investigation Board Maker

Only for Mac

Free · In‑App Purchases

Mac

Redstrings by Solutions Cay is detective board software for mapping a story, a world, an investigation, or a complicated idea. Pin cards to a large visual board. Connect them with labeled strings. Add notes, sources, tags, and confidence so the reason for each relationship stays close to the work. BUILD THE BOARD YOU NEED • Plan a story across characters, scenes, clues, and reveals • Keep factions, places, events, and lore connected while a world grows • Break a dense idea or system into parts and name how they affect one another • Map research, evidence, people, and competing claims • Let a supported AI client add or update cards through the experimental MCP server in Pro, then inspect the result on the board FREE MAPPING TOOLS • Unlimited boards, cards, and strings • Seven built-in card types: Person, Team, Artifact, Process, Place, Event, and Note • Free-text labels, direction, notes, sources, and Confirmed, Suspected, or Uncertain confidence on strings • Search, filters, keyboard navigation, decorations, and undo/redo • Export a project, a PNG image, or a Markdown report • Dark theme LOCAL FILES, NO REDSTRINGS ACCOUNT Boards live in files on your Mac. Redstrings has no cloud account and no cloud sync. The app works offline except when you choose an online AI feature. PRO: $19.99, ONE TIME • Four extra themes: Cork Board, Midnight, Noir, and Blueprint • Custom card types, icons, and colors • Custom relationship types • Gemini analysis with your own API key and saved reports • Experimental MCP server for supported AI clients There is no subscription. Pro is purchased through the Mac App Store. AI PRIVACY NOTE When you run Gemini analysis, the selected board content and your API key go directly from your Mac to Google's Gemini API. Redstrings has no server in the middle. AI is optional and stays off until you configure it. See the connections others miss. Build the first board for free.

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1.0.31 - Improved export board to image, fit to content in frame

The developer, Solutions Cay LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • SOLUTIONS CAY LLC
    Size
    • 5.9 MB
    Category
    • Productivity
    Compatibility
    Requires macOS 10.15 or later.
    • Mac
      Requires macOS 10.15 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 SOLUTIONS CAY LLC