Shift Editor Quick Lookup is a free iPhone application developed by John Lincoln, designed to streamline writing and referencing tasks. The program offers an integrated browser that displays text in a customizable color scheme and font, ensuring readability both day and night. With four customizable presets accessible directly from the editor, users can quickly switch between different text styles with just two touches.

The MultiMarkdown editor in Shift syncs text with an HTML preview, allowing users to easily edit and preview their work in a style of their choice. The application provides smart Markdown shortcuts for creating lists, emphasis, indentation, headings, and more, making text formatting efficient and straightforward.