ScaleInk

Markup, Measure & Review PDFs

Free · In‑App Purchases

iPad

ScaleInk is an iPad app for reviewing PDF drawings, letting you mark up, measure, and organize drawings directly on your iPad. From architectural design and construction drawing reviews to redlining during meetings and on-site checks, simply open a PDF and start working with Apple Pencil. Key Features • Freehand drawing, highlighting, and erasing on PDFs • Text and shape annotations • Drawing scale calibration and measurement • Ruler tools for drawing and checking • Layers for organizing design studies and markups • Overlay another PDF as a reference layer • Organize multiple PDFs using Projects and Stacks • Export as PDF More than just viewing drawings — work through ideas directly on them. ScaleInk combines the freedom of marking up paper drawings with the measurement and layer management capabilities of a digital workflow, all on iPad. Designed for architecture, construction management, interior design, engineering, and other professionals who work with PDF drawings. With the Lifetime plan, you can continue using ScaleInk Pro features provided on-device. Monthly and Annual plans include Pro features and may also include continuously provided services, such as cloud integration, in the future. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

Improved Reference PDF layer importing. Also fixed layout issues in the layer controls and an issue where the delete confirmation could fail to appear after closing the purchase screen.

Version 1.2

The developer, akihiro kawata, 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

    Accessibility

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

    Information

    Seller
    akihiro kawata
    Size
    6.3 MB
    Category
    Productivity
    Compatibility
    Requires iPadOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    Languages
    English and Japanese
    Age Rating
    4+
    In-App Purchases
    Yes
    • ScaleInk Pro Lifetime $59.99
    • ScaleInk Pro Annual $22.99
    • ScaleInk Pro Monthly $3.99
    • Learn More
    Copyright
    © 2026 akihiro kawata
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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