This document provides an overview of iPhone and iPad apps for architecture, urban planning, and related fields. It describes apps for drawing, CAD, utilities, inspiration, and keeping up with new apps. Sections include recommendations for free and paid apps for sketching, file sharing, area calculation, materials reference, map tools, social media about places, and more. Contact information is provided for the author who created an online guide and course about useful mobile apps for librarians and professionals in design and planning.