Ionic 8 + Firebase Masterclass: Build Real-Time Apps

Name: Ionic 8 + Firebase Masterclass: Build Real-Time Apps
Rating: 4.4 (57 reviews)

Develop scalable real-time chat apps for iOS, Android & Web with Ionic 8+, Angular, Capacitor, Firebase Auth & DB

Created byNikhil Agarwal

Last updated 6/2026

English

What you'll learn

Build a professional, cross-platform chat application using the latest Ionic 8, Angular, and Capacitor 6.
Master Firebase by developing two distinct projects that showcase the unique strengths of both Firestore and Realtime Database.
Implement robust user authentication with Firebase to secure your app's login, signup, and password reset functionalities.
Optimize app performance and state management by leveraging modern Angular Signals and best practices.
Deploy your Ionic applications to iOS and Android devices, as well as the web, from a single codebase.
Learn to build same Ionic Apps in both approaches - Standalone & NgModule
Learn to build stylish UI/UX Design
To explore more content, check out my "Coding Technyks" Youtube Channel

Course content

3 sections • 33 lectures • 9h 42m total length

Firebase Realtime Database vs Firebase Firestore6:26
Compare Firebase Realtime Database and Firestore to understand data models and real-time syncing. Explore queries, security rules, pricing, and use cases from chat apps to IoT and large social platforms.
Get links to my Beginners - Advanced level Udemy Courses0:11
Course Outline0:47
Join our Discord and Youtube Community0:59

Chat App Demo1:09
Explore a chat app demo built with Ionic 8+ and Firebase, showcasing real-time messaging features and app integration.
Chat App - Part 1 - UI Design57:39
Design a real-time chat app UI with Ionic 8+, featuring a home screen and a chat screen, integrated with Firebase Firestore for real-time data.
Chat App - Part 2 - Firebase Authentication (with Login & Signup Screens)40:55
Implement firebase modular authentication for a real-time chat app, implementing email/password login and signup screens with forgot password, and connect to firestore with angularfire for secure user data.
Chat App - Part 3 - Add ChatRooms & Send Messages (1)35:24
Learn to implement real-time chat rooms and messages in an Ionic 8+ app using Firebase, including user authentication, real-time data with Firestore, and dynamic chat room creation.
Fix error with @angularfire 7.6.1 package2:09
Fix common angularfire 7.6.1 errors in an ionic project by inspecting interfaces.d.ts and index.d.ts, and resolving via targeted comment fixes to enable a real-time chat app workflow.
Chat App - Part 3 - Add ChatRooms & Send Messages (2)29:14
Build a real-time chat app in Ionic 8+ with Firebase by creating chat rooms, sending and retrieving messages, and implementing bottom auto-scroll, message ordering, and UI handling for empty conversations.
Attached Source Code0:01
Convert to Standalone with new project35:03
Convert to standalone with a new Ionic project, building a Fire Chat app from scratch, configuring Angular Firebase packages, and wiring authentication and Firestore in a standalone setup.
Optimise design5:23
Optimize the chat design by fixing layout issues, replacing iron label with a container class, applying CSS tweaks, and ensuring the chat data loads correctly by tracking current user ID.
Attached Source Code0:02

Module Introduction0:15
Begin a course on building a real-time chat app with Ionic 8+ and Firebase Realtime Database. Explore how signals are implemented throughout the application.
App Promo0:53
Create an engaging app promo for a real-time chat app built with Ionic 8+ and Firebase, showcasing messaging features and cross-platform performance.
Setup Ionic project & apply theming4:24
Set up an Ionic 8+ project, run ionic serve, and apply theming with variables.scss and the Ionic color generator for a WhatsApp-style real-time chat UI using Firebase.
Designing Tabs Sceen15:13
Designs an Ionic tabs page using iron tabs and iron tab buttons, sets up chats, status, calls, and settings routes with icons, and enables dynamic icon changes on tab selection.
Design Chats Screen9:31
Design the chats screen with an ion list, iron avatar, and iron label to show chat rooms, last messages, and register users through login for private or group chats.
Design Login & Signup Screens40:55
Design and implement login and signup screens in ionic 8+ with firebase authentication using email and password, including nested routing, reactive form validation, icons, and responsive styling.
User Authentication40:37
Learn to implement Firebase-based user authentication for a real-time chat app using Firebase tools, AngularFire, and real-time database, including signup and login flows and UID management.
Design & implement Forgot password15:46
Design and implement the forgot password flow in an Ionic app using an ion modal, email input, and Firebase password reset link with form validation and state management.
Auth Guards & Logout25:13
Explore auth guards in Angular/Ionic routing, detailing can activate, can match, and can deactivate, and implement a Firebase-authenticated login flow with guard-based redirection.
Fetch Users31:57
Fetches all authenticated users (excluding the current user) in a full-screen Ionic modal via the plus button, using a standalone users component and Firebase real-time updates to populate the list.
Create Chat Room31:39
Define a chat room interface and implement a create chat room flow in Ionic with Firebase, including private and group chat handling, user data, and real-time database queries.
Fetch Chat Rooms21:20
Fetch chat rooms in real time from Firebase using onValue, map room keys, filter by the current user, and assemble other user data and the last message for private chats.
Design component for empty Chatrooms9:23
Design an empty chat screen component for Ionic apps that displays a dynamic icon and title when no chat rooms exist, and renders the empty screen via an input model.
Prepare Chat Messages Screen - Part 146:22
Learn to design a real-time chat messages screen in Ionic 8+ by navigating to a single chat, wiring chat rooms, and implementing a Firebase-backed send message flow.
Prepare Chat Messages Screen - Part 248:20
Design a real-time chat messages screen in Ionic 8+ with Firebase, aligning messages by current user, passing slot data, and implementing auto-scroll and unsubscribe safeguards.
Run in Android & iOS6:13
Run the ionic app on Android and iOS by configuring iOS gating and capacitor checks. Build and add Android and iOS platforms, then test in Android Studio and Xcode simulators.
Fixing ChatRoom Screen UI for last-message1:02
Apply white spaces no wrap, overflow hidden, and text flow ellipses to fix the chat room UI for the last message in the Ionic app.
Build Same Ionic App with NgModule approach18:28
Discover how to build the same Ionic real-time chat app using an NgModule approach, porting a standalone project to NgModules, with Firebase real-time database and storage integration.
Attached Source Code0:03

Requirements

Basic proficiency in Angular, HTML, CSS, and TypeScript is recommended. While an in-depth understanding is not required, familiarity with core concepts will allow you to get the most out of this course.

Description

Dive into the exciting world of Ionic 8+ and Angular to master building modern, high-performance real-time chat applications. Designing such apps can be complex, especially when choosing the right database backends. This course removes the guesswork by guiding you through two key Firebase options: Firestore and Realtime Database.

This complete, up-to-date masterclass teaches you to build two distinct, professional-grade chat apps using Ionic 8, Angular Signals, and Capacitor. You’ll begin by mastering Firebase Authentication—setting up secure login, signup, and password recovery flows. Next, you’ll design stylish UI/UX chat interfaces, implement chat rooms, message sending & fetching, and optimize the app’s performance for real-world usage.

What makes this course truly unique is that you build the same chat app twice—once using Firestore (modern, scalable, flexible) and once with the Realtime Database (lightweight, low-latency). A dedicated deep-dive section compares these Firebase database types technically and practically, helping you understand their differences in data models, querying, scalability, and pricing, so you can choose the best backend for any project.

Throughout the course, you’ll:

Build production-ready real-time chat apps with Firebase Firestore and Realtime Database.
Master Firebase Authentication and reliably manage user login flows and authentication state.
Leverage Angular Signals for reactive state handling and enhanced app responsiveness.
Deploy a single codebase as native iOS, Android apps, and Progressive Web Apps (PWAs) using Capacitor.
Create intuitive, professional chat UIs with Ionic’s comprehensive component library.

Technical Stack:

Ionic 8 Framework: The leading cross-platform UI toolkit for mobile apps.
Angular: Harness modern Angular with powerful Signals API.
Capacitor: Native runtime for deploying web apps across iOS, Android, and web.
Firebase: Full Backend-as-a-Service including Authentication, Cloud Firestore, and Realtime Database.

This project-focused course equips you not only with in-demand development skills but also with two impressive portfolio projects that demonstrate your real-time app-building expertise.

By course end, you’ll confidently create cross-platform chat applications for iOS, Android, and the web—all from a shared Ionic codebase.

Whether you are an intermediate developer looking to boost your portfolio, or a freelancer delivering real-world apps, this course will provide the hands-on skills you need to succeed in 2025 and beyond.

Enroll today and start building professional real-time chat apps with Ionic & Firebase!

Who this course is for:

Developers looking to upgrade their skills to the latest versions of Ionic 8, Capacitor 6, and Firebase Modular SDK.
Angular developers who want to apply their skills to mobile and web development with the Ionic framework.
Students who want to understand the practical differences between Firebase Firestore and Realtime Database by building two distinct projects.
Programmers interested in modern web development techniques, including Angular Signals and building apps with both Standalone Components and NgModules.

Ionic 8 + Firebase Masterclass: Build Real-Time Apps

What you'll learn

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Course content

Introduction4 lectures • 8min

Chat App using Firebase Firestore10 lectures • 3hr 27min

Chap App using Firebase Realtime Database19 lectures • 6hr 8min

Requirements

Description

Who this course is for: