App design courses can help you learn user interface design, prototyping, usability testing, and interaction design principles. You can build skills in creating wireframes, conducting user research, and implementing design feedback effectively. Many courses introduce tools like Sketch, Figma, and Adobe XD, that support creating visually appealing and functional app layouts. You’ll also explore design systems and accessibility standards to ensure your apps are user-friendly and inclusive.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Typography, Web Design, Maintainability, Debugging, User Interface (UI), Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

Radio y Televisión Española
Skills you'll gain: digital literacy, Research, Investigation, Social Network Analysis, Trend Analysis, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Web Design and Development, UI Components, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Performance Appraisal, Constructive Feedback, Employee Performance Management, People Management, Expectation Management, Conflict Management, Professionalism, Emotional Intelligence, Active Listening, Goal Setting
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Marketing Strategies, Artificial Intelligence and Machine Learning (AI/ML), Strategic Marketing, Marketing Analytics, Artificial Intelligence, Generative AI, Agentic systems, Content Development and Management, Digital Marketing, Content Creation, Automation, Business Ethics, Customer experience improvement, Machine Learning, Natural Language Processing, Content Management, Creativity, Ethical Standards And Conduct, Interactive Data Visualization
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Server Side, Restful API, API Design, Database Management, Back-End Web Development, Databases, Database Systems, Node.JS, Application Programming Interface (API), Full-Stack Web Development, Authentications, Web Applications, JavaScript Frameworks, Web Development, Web Servers, Authorization (Computing), NoSQL, MongoDB, Servers, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Creative Design, Design Elements And Principles, Graphical Tools, Digital Design, Graphics Software, Storytelling, Creativity, Color Theory
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Responsive Web Design, Email Automation, Order Management, Data Validation, User Interface (UI) Design, Search Engine Optimization, Web Applications, JavaScript Frameworks, Authentications, User Interface (UI), React.js, Payment Processing, E-Commerce, PostgreSQL, Dashboard, Database Development, Object-Relational Mapping, Product Improvement, Real Time Data
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Tensorflow, Keras (Neural Network Library), Artificial Neural Networks, Deep Learning, Machine Learning Methods, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Web Content Accessibility Guidelines, Semantic Web, HTML and CSS, User Interface (UI), Usability, Web Design, Information Architecture
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Conflict Management, Intercultural Competence, Team Building, Diversity and Inclusion, Workplace inclusivity, Cultural Diversity, Team Leadership, Collaboration, Cultural Sensitivity, Verbal Communication Skills, Active Listening, Communication, Empathy, Leadership, Non-Verbal Communication, Safety Culture, Relationship Building, Adaptability
Beginner · Course · 1 - 4 Weeks