iA Writer’s Preview styles your document—including any Markdown formatting—using the currently selected template. This is perfect for reading, and also shows how your document will look when printed or exported to PDF.

  • Tap the “play” button at the top-right to see your text transform; tap it again to return to the Editor
  • The ”aA” button let you change the currently selected template and configure them
  • The “share” button shows available export options

The toolbars will hide when you start scrolling—scroll up to show them again.