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      Gumroad Library

      Download from the App Store or text yourself a link to the app

      $129

      Principle

      Need to add devices or renew your existing license? Go here


      Principle makes it easy to create animated and interactive user interface designs. Go beyond static mockups and create living designs that express feeling. Whether you're designing the flow of a multi-screen app, or fun new interactions and animations, Principle lets you create designs that look and feel amazing.

      Inspired by studying how the world’s best user interface designers work, Principle combines the design, animation, and interaction tools you need in a lightweight, easy-to-learn interface. When you're done, you can show animated designs to clients, managers, and the development team.


      Purchasing FAQ

      How Licenses Work

      A license includes one year of updates. After a year you can renew your license if you want to continue getting updates and using the latest version of Principle. 

      Using Licenses on Multiple Devices

      Purchasing with a quantity of more than one will give you one license key that can be used on more than one device. The devices can be your colleagues' or your own. You can also add capacity to an existing license.

      Buying For Someone Else

      Licenses can be purchase for someone else by clicking the gift icon at checkout. The recipient will get an email with the license keys, and you’ll get an email with the invoice. 

      Invoices

      After purchase you can get your invoice from the License Manager 


      See the full FAQ

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      - Quantity 1 +

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      • You'll get a license key that works for Principle updates released within a year of your purchase.
      • Free Updates 1 Year
      • Compatibility macOS 10.13 or later
      • Version 5

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      Principle

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      Card

      ···· ···· ···· 4242
      Test card

      05/18

      Card

      Use a different card?

      Card

      pp paypal

      or pay with

      We do not keep any of your sensitive credit card information on file with us unless you ask us to after this purchase is complete.

      or pay with

      Please confirm your location:
      You'll be charged US$129.

      Your purchase was successful!

      We charged your card and sent you a receipt

        Gumroad Library

        Download from the App Store or text yourself a link to the app

        Head to the Principle Discourse for support and ideas: http://discourse.principleformac.com

        Good news! Since you already have a Gumroad account, it's also been added to your library.

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