Sketch from A to Z: Become an app designer (Udemy.com)
The most comprehensive guide to using Sketch for designing mobile applications. Learn to design an app from A to Z.
Created by: Joseph Angelo Todaro
Last updated February 2025
Our take
Based on the ratings of 10,354 students, a sample of their written reviews and the syllabus, as the course stood in February 2025. No course pays to be reviewed.
A short, tool-focused Sketch course that walks through layers, shapes, styling, text, symbols and exporting, then puts it all together in an iPhone music player mockup. It runs about four and a half hours over 60 lectures with seven quizzes and downloadable Sketch files, so learners can jump in at any point in the project. It's built for designers coming from Photoshop or Illustrator, and for total beginners, and reviewers confirm it works with zero design background. It is not a UX or app design theory course. One low-star reviewer put it bluntly: this is a Sketch tutorial, not a path to becoming an app designer.
Students like Joseph Angelo Todaro's teaching. Reviewers call him clear, funny and quick to the point, and one praises that most videos run under four minutes. The included resources get repeated thanks. The recurring complaint is age. The course dates from 2015 and got a refresh in February 2025, but reviewers from late 2025 and 2026 say the interface shown is still older than what ships now. One notes that Artboards and Layout are gone, replaced by Frames and Stacks. Others want more on prototyping and the link tool, which only get a six minute InVision section, and more practice projects. One reviewer mentions audio dropping out.
With over 38,000 students and more than 10,000 reviews at 4.6 stars, it carries Udemy's Highest Rated badge in its category, and the praise is consistent. It's a sound first pass at the tool; even the reviewer who flagged the renamed features says a ton of valuable information remains. Expect to look up the current names for a few features as you go. If you want the design thinking side, the Mobile App Design from scratch course beside it covers UX as well as UI.
Pros
- Most videos run under four minutes, so each tool gets one focused lesson rather than a long lecture
- Downloadable Sketch files for every stage of the music player project, so you can pick up anywhere
- Covers symbols, shared styles and export hand-off, the parts that save time on real projects
- Todaro is called clear and funny; reviewers with no design background say they kept up
Cons
- Reviewers from late 2025 on say the interface shown is old; Artboards and Layout are now Frames and Stacks
- Prototyping and the link tool get a single six minute InVision section, and some want more
- One sample project and few practice exercises; it teaches the tool, not app design as a discipline
There's still a ton of valuable information and the instructor is excellent, just be aware that Artboards and Layout don't exist anymore. Use Frames and Stacks instead.
Listed as All Levels, but it's a beginner course; prior Photoshop or Illustrator helps, no design experience needed.
What you will learn
- Master Sketch to create a strong mobile app design from start to finish
- Advanced techniques and shortcuts to design faster than most professionals
- User interface design best practices to solve problems effectively
- Know how to simplify visual information to clarify meaning and improve UX
- Understand how to design for different device viewports
- How to leverage tools to ensure pixel perfect design work
- How to save tons of time by using shared styles, symbols, and libraries
- How to export and hand off the assets developers need to build a real app
- How a good UI (user interface) influences good UX (user experience)
- Be a professional designer who creates better apps faster
Course content
12 sections · 60 lectures · 4.6 hours of video 7 quizzes, 3 articles
- 1Introduction 3 free previews6 lectures · 17 min
- 2Starting Your Project Right 1 free preview2 lectures · 1 quiz · 6 min
- 3Layer Basics 2 free previews7 lectures · 1 quiz · 29 min
- 4Shapes 1 free preview13 lectures · 1 quiz · 54 min
- 5Styling 1 free preview9 lectures · 1 quiz · 43 min
- 6Text4 lectures · 1 quiz · 17 min
- 7Symbols 1 free preview7 lectures · 1 quiz · 24 min
- 8Images3 lectures · 8 min
- 9Workflow Pro Tips3 lectures · 55 min
- 10Exporting3 lectures · 1 quiz · 13 min
- 11Congratulations!1 lecture · 1 min
- 12Prototyping and Syncing to InVision2 lectures · 6 min
Who it is for
The instructor says it suits
- This course is perfect for web and print designers
- This course is perfect for Photoshop or Illustrator users
- This course requires practically no prior design experience
- Some graphic design experience will be helpful
- This course is not to learn to develop a functioning app
What you need before you start
- Download Sketch and purchase a license or use the free trial
Course Description
Learn to Design Beautiful, High-Quality Mobile Application UI with Sketch's Powerful Tools and Smooth Workflow
Master the essential principles and tools of Sketch.
Discover design techniques that will enhance your creative potential.
Learn and implementUI best practices to ensure quality and usability.
Journey from concept to completion by creating a sample mobile application.
Find Out Why Google, Apple, and Facebook Designers Use Sketch
Many of Silicon Valley’s most established and fastest growing companies swear by Sketch when designing UIs for mobile applications because it’s fast and intuitive, and produces stunning final products.
Sketch isn’t just a tool for designing pretty apps, It’s a tool for composing UI components and design patterns that scale without effort as projects grow more complex.
When it comes to styling, we’re able to use multiple color and gradient fills, borders, and automatically scaling images on a single layer to keep out layers list clean and organized.
It gives us the ability to reuse styles and elements throughout a design — so that you never have to waste time making the same change in multiple places. And those reused elements can be nested inside one another and then tweaked or swapped out to create powerful and flexible design systems.
Contents and Overview
Whether you’re a beginner or a veteran designer with experience using Photoshop and Illustrator, you will find this course valuable in the way that it blends step-by-step instruction with hands-on, customizable exercises:
Mobile App Design from A to Z: With 52 lectures and 3.5 hours of content, this course covers everything from layers, shapes, and styling to text editing to exporting finished projects.
Test Your Knowledge: Periodic quizzes will review key concepts and ensure that you are mastering the content.
Interactive Design Project: Together with the instructor, you will build a sample UI for an iPhone music player app. Included Sketch documents allow you to pick up at any point in the project.
After completing this course, you will understand how to design high-quality mobile application UI using Sketch and you will be better prepared to meet the demands of your clients and developers.
Who this course is for:
This course is perfect for web and print designers
This course is perfect for Photoshop or Illustrator users
This course requires practically no prior design experience
Some graphic design experience will be helpful
This course is not to learn to develop a functioning app
Instructor Details
- 4.6 Rating
10,354 Reviews
Joseph Angelo Todaro
My education, career, and even personal life have been molded by one simple principle; well designed information resonates with people and can change lives. I have a passion for making information resonate. It all starts with how people think. With how humans work. As humans we have learned how to read and write and while that is incredible, we are also already hard-wired to do some things a bit more "automatically". We are animals – designed to see things things as a whole. To start with a big picture and build understanding as we break it down. To learn from the visual. The spacial. The tangible. Information can be all of these things. The difference is design. I am a designer who uses the art, science, and psychology of design to nurture effective communication and facilitate enjoyable experiences. Through over 10,000 hours of one-to-one teaching for one of the largest software companies in the world and over a decade of exploring the visual arts, I have learned to make information work for people. "People ignore design that ignores people." - Frank Chimero
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Reviews
By Ivan Zykov on 11/21/2020
I have been used Sketch for a while before i got to this course. This tool is absolutely top! The material in the course indeed doesn't show how the instructor is creating stuff, some beginners might not like it. But for me as somewhat experienced user this was extremely helpful to finally put my knowledge in order. Thank you for the course Joseph!
However it would be nice to include some more optional information for the complete newbies.
By Huw Vicary on 11/14/2020
Really nice layout to the teaching, it works for me! He goes over different skills within different modules as well which refreshes your memory! Well worth the bargain price of 12.99!
By James Muench on 11/7/2020
Videos are very informative
By A. L. on 11/7/2020
Very good instructor.
By Tony Buford on 11/7/2020
Excellent match. Heavy Photoshop/Illustrator experience, but never used Sketch and never designed mobile interactive before, except WYSIWIG in Adobe Muse. Course is showing the real useful benefits of the program, always with a note that "there's more".
By Rene Bartkowiak on 11/7/2020
One of the best courses I have seen on Udemy so far. Well done!
By Borbla Kiss on 10/26/2020
Very useful, easy to follow, it gives extensive knowledge!
By Anonymous on 10/25/2020
Amazing so far, nice and clear
By Karen Laing on 10/25/2020
Clear, step by step instructions! Great animated and engaging speaker.
By Amir Esfandiar Choubdar Movaghar on 10/20/2020
He is one of the beste Tutors I have seen in my 13 years as a Designer. He is precious, you have to protect him by any means.
By David Vargas on 10/14/2020
Great course for getting started in Sketch and UI design. I missed some things that are still essential, such as prototyping (the Sketch native method is not covered, but there is one tiny extra lesson about inVision prototyping) or how to create "scrollable" artboards, which includes resizing and positioning constraints. However, the course will get you started and any student that completes it can surely continue learning autonomously.
In summary: slightly improvable, but VERY recommended for Sketch beginners!
By Sara Niinimaa on 10/12/2020
More instructional than practical but good none the less
Quality Score
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Overall Score : 92 / 100







