App Development Fundamentals

About this course

Who this course is for

What you'll learn

• Explain the major stages of the modern app-development lifecycle
• Turn an app idea into clear user needs, features, and requirements
• Understand the roles of front end, back end, databases, APIs, authentication, and hosting
• Compare major development approaches including coded, low-code, no-code, and AI-assisted development
• Understand how application interfaces, workflows, and data structures work together
• Recognize the basics of testing, debugging, security, deployment, maintenance, and iteration
• Plan a simple app project from concept through launch readiness

Course details

Level

beginner

Estimated duration

12 lessons · about 2.5 hours

Prerequisites

No prior programming experience required. Basic computer and internet skills recommended.

What's included

• 12 lessons
• Progress tracking

Curriculum

1. 01

   Lesson 1: How Modern Applications Are Built

   A plain-language tour of what an application is, the main types of apps, and the parts that work together behind every screen. You will follow the lifecycle from idea to maintenance and see how coded, low-code/no-code, and AI-assisted methods fit in.

   12m
2. 02

   Lesson 2: From Problem to App Idea

   Learn how strong app ideas begin with a real problem and a clearly defined user. This lesson covers problem statements, pain points, basic alternative research, and value propositions — and how to test whether software is the right answer at all.

   12m
3. 03

   Lesson 3: Users, Features, and Requirements

   Turn an app concept into a clear, buildable plan. You will learn to describe users, write user stories and acceptance criteria, separate functional from nonfunctional requirements, and choose a focused minimum viable product.

   12m
4. 04

   Lesson 4: Front End, Back End, and Databases

   Look inside an application's three core layers — the front end, the back end, and the database — and how they communicate. You will learn static versus dynamic content, records and relationships, and the four basic data operations known as CRUD.

   12m
5. 05

   Lesson 5: APIs, Integrations, and Connected Services

   Discover how applications talk to each other through APIs. You will learn requests, responses, endpoints, HTTP methods, and JSON, then see how integrations, webhooks, and API keys connect your app to payments, maps, messaging, and AI services — and what can go wrong.

   12m
6. 06

   Lesson 6: Authentication, Data, and User Accounts

   Understand how apps know who users are and what they may do. This lesson covers authentication and authorization, account flows, roles and permissions, sessions and tokens, and the basic responsibilities that come with collecting personal data.

   12m
7. 07

   Lesson 7: Choosing a Development Approach

   Compare coded development, frameworks, low-code/no-code tools, and AI-assisted development. You will weigh trade-offs in speed, control, cost, maintenance, and vendor dependence, and learn why the right choice follows from your requirements.

   12m
8. 08

   Lesson 8: Designing Screens, Navigation, and User Flow

   Learn the essentials of designing apps people can actually use. This lesson covers UI and UX, information architecture, navigation, user flows, wireframes and prototypes, responsive and accessible design, forms, and the states every screen needs.

   12m
9. 09

   Lesson 9: Building Features and Application Logic

   See how requirements become working features. This lesson covers breaking work into tasks, events and business rules, validation, state, reusable components, connecting the layers of an app, error handling, and version control — followed by a feature built step by step.

   12m
10. 10

    Lesson 10: Testing and Debugging an Application

    Learn how teams confirm an app works and track down problems when it does not. This lesson covers types of testing, manual and automated approaches, happy paths and edge cases, device testing, debugging, logs, bug prioritization, and responsible use of AI for debugging.

    12m
11. 11

    Lesson 11: Security, Deployment, and Hosting Basics

    Prepare an application to go live safely. You will learn core security habits, how to protect secrets, why HTTPS and backups matter, how development, test, and production environments differ, and what deployment, hosting, domains, monitoring, and rollback involve.

    12m
12. 12

    Lesson 12: Maintenance, Updates, and the Next Version

    Launch is the beginning, not the end. This final lesson covers monitoring, feedback, and analytics; bug fixes versus enhancements; technical debt, dependencies, and security patches; performance; documentation; and how to plan the next release — closing with a recap of the full app lifecycle.

    12m