Mobile App Design for iOS

Learn the basics of designing a mobile app, from initial idea, wireframes to user interface design. You will create the design for a diary app while learning how to write an application design specification, user experience, right through to creating assets for development. The project will focus on the iOS platform, however, you learn some tips and tricks on adapting the design for platforms like Android and Windows.

Introduction to UI Design

Learn what user interface design entails, what we’re going to design, and some understanding of development languages used to build our app. Discover the tools that are used to create a user interface. Finally, learn about the nuances of designing for Apple's iOS platform.

ADS Writing and Preparation

Learn how to create helpful documentation that will help educate and assist your design process later. Writing an Application Definition Statement (ADS) helps you establish the focus of your app and define its audience.

Wireframing, Interaction Design and Planning

Learn how to plan your app by creating a digital wireframe document and understanding some basic UX and typography decisions. We’re also going to take a look at how to design for touch targets and some tips and tricks around this problematic design issue.

Designing our App

Let’s start designing our app using Sketch. We’re going to jump right into designing a beautiful interface while learning how to export our artwork for retina display and additional platforms, if necessary.

Working with a Developer

A deeper how-to of exporting your artwork via Sketch and learn how to keep developers happy by producing comprehensive documentation for onward use in Xcode. We’re also going to take a look at the app approval process and bring to light some common issues and how to avoid them.


Sarah Parmenter

Sarah Parmenter is a multi-disciplinary designer. She has a client list that includes Blackberry, News International, and STV and specialises in UI design for iOS. Sarah is the owner of You Know Who, co-host of the Happy Monday podcast, and was voted.Net Magazine’s ‘Designer of The Year’ in 2011.



121 minutes

Program taught in:
  • English

See 4 more programs offered by Treehouse »

This course is Online
Start Date
Open Enrollment
Request Info
By locations
By date
Start Date
Open Enrollment
End Date
Application deadline

Open Enrollment

Application deadline
End Date