Related Resources

Our Services

You May Also Like

The Top 3 Flutter Example Apps: Things to Know

Krunal Shah

Mar 01, 2023

7 min readLast Updated Mar 03, 2023

flutter examples

Blog Summary: Flutter app development is in high demand for reduced time, cost, and high flexibility. But there’s more. To give you a clearer picture, in this blog, we will cover the -
✅What is Flutter?

✅Getting started with Flutter

✅Why are Flutter example apps important?

✅An insight into the top 3 Flutter example apps

✅The top Flutter apps

✅Flutter examples and sample apps


Flutter has become a popular mobile application development framework due to its simplicity and efficiency. Flutter's widgets, which are pre-built and can be customized to meet specific needs, make it an ideal choice for developing robust and user-friendly Flutter sample apps.

Flutter's hot reload feature allows for real-time editing, saving developers a significant amount of time in the development process. Flutter is a great choice for developing Flutter sample apps that run on both Android and iOS platforms. In this blog post, we will explore the best Flutter apps and the top three Flutter example apps.

What Is Flutter?

Flutter is a mobile application development framework that allows developers to create high-performance, high-fidelity, apps for iOS and Android. Flutter uses Dart programming language which is similar to Java and is compiled to native code for both iOS and Android.

Flutter has an extensive collection of pre-built widgets that are customizable, making it a great choice for developing high-quality, responsive, and beautiful applications.

Getting started with Flutter

To get started with Flutter, you need to download and install the Flutter SDK, which includes the Flutter framework and the Dart SDK. Flutter can be used with any text editor or IDE, but it's best to use Android Studio or Visual Studio Code with the Flutter and Dart plugins installed.

Once you have installed the Flutter SDK, you can create a new project using the Flutter CLI by running the command "flutter create <project_name>".

Mobile App development with Flutter

Developing an app with Flutter involves creating a set of widgets that are used to build the user interface. Widgets in Flutter are similar to React components and are either stateless or stateful. Stateless widgets are immutable, meaning they cannot change once created. Stateful widgets, on the other hand, can change their state during the lifetime of the app.

Flutter allows developers to create custom widgets and combine them to create complex user interfaces. Flutter also provides support for animations, navigation, and routing, making it easy to create a smooth and seamless user experience.

See More: Why Flutter Is the Best Platform to Make Hybrid Apps?

Why are Flutter Example Apps Important?

Example or Flutter sample apps are important because they allow developers to see how to use Flutter to build real-world apps. They help to provide a blueprint for building apps and provide a starting point for developers to create their apps.

Example apps can be used to learn how to use various widgets, navigation, routing, and other features of the Flutter framework. They can also be used as a reference when building new apps.

Looking for the right software development company to partner with?

With over more than 10 years of experience in software development, we, at Third Rock Techkno, offer a broad range of software development services and solutions. Our expert professionals not only ensure timely project completion and product launch within budget, but also help your product find the right market positioning and help you grow to meet your business goals.

Get in touch with us for free consultation!

An Insight into the Top 3 Flutter Example Apps

Here’s an overview of the top 3 Flutter example apps that you must know about.

1. Form Creation and Validation Sample

The form creation and validation sample app demonstrate how to create forms using Flutter and how to validate user input. The app allows users to enter their name, email address, and password and then validates the input before submitting it. The app uses various widgets such as TextFormFields, InputDecorations, and RaisedButton to create the form and validate the input.

Source: Dynamic fields validation in Flutter

The source code for the form creation and validation sample app can be found on the Flutter website. The code is well-documented and easy to follow, making it a great resource for developers who are new to Flutter.

2. Navigating and Routing Sample

The navigating and routing sample app demonstrates how to navigate between screens in a Flutter app using the Navigator widget. The app has a home screen with two buttons that allow users to navigate to a second screen or a third screen. The second screen has a back button that allows users to navigate back to the home screen.

Source: Flutter Navigation

The app uses the MaterialPageRoute class to define the routes for navigating between screens. The app also uses the Navigator.push and Navigator.pop methods to navigate between screens and return to the home screen.

Source: Hierarchical routing in Flutter

The source code for the navigating and routing sample app can be found on the Flutter website. The code is well-organized and easy to understand, making it a great resource for developers who are learning how to use navigation and routing in their Flutter apps.

3. Testing Sample

The testing sample app demonstrates how to write tests for a Flutter app using the Flutter test package. The app has a simple widget that displays a number and a button that increments the number when pressed. The app includes unit tests that test the functionality of the widget and integration tests that test the interaction between the widget and the button.

Source: Testing sample in Flutter


The testing sample app uses the Flutter test package to write tests. The package includes classes and methods for writing unit tests, widget tests, and integration tests. The app also includes the Flutter Driver API, which allows for testing of the app's user interface.

The source code for the testing sample app can be found on the Flutter website. The code is well-structured and includes comments that explain the purpose of each test, making it a great resource for developers who are new to testing in Flutter.

See More: 7 Reasons Why Building A Startup App in Flutter is Ideal For Your Business

The Top Flutter Apps

Flutter has a vibrant community of developers who have created some of the best Flutter apps. These apps range from social media apps to productivity apps and games. Here are some of the best Flutter apps:

1. Reflectly

Reflectly is a personal journaling app that uses artificial intelligence to provide users with personalized daily reflections. The app has a beautiful user interface that is responsive and user-friendly. Reflectly is built using Flutter and has been featured on the Flutter website as one of the best Flutter apps.

2. Xianyu

Xianyu is a second-hand marketplace app developed by Alibaba Group. The app has over 50 million active users and is built using Flutter. Xianyu's user interface is clean and intuitive, making it easy for users to buy and sell items.

3. Hamilton Musical

The Hamilton Musical app is an interactive experience that allows users to learn about the history behind the musical. The app includes behind-the-scenes content, interviews with the cast and crew, and interactive features that allow users to learn more about the characters and plot of the musical. The Hamilton Musical app is built using Flutter and has been featured on the Flutter website as one of the best Flutter apps.

See More: How to implement navigation drawer in flutter

Flutter Examples and Sample Apps

Flutter examples and sample apps are great resources for developers who are new to Flutter. These Flutter app examples provide a starting point for developers to create their apps and demonstrate how to use various features of the Flutter framework. Here are some of the best Flutter examples and sample apps:

1. Flutter Catalog

Flutter Catalog is a collection of Flutter app examples that demonstrate how to use various widgets and features of the Flutter framework. The app includes examples of animations, navigation, and routing, forms, and charts. Flutter Catalog is built using Flutter and has been featured on the Flutter website as one of the best Flutter examples.

2. Flutter Chat

Flutter Chat is a sample chat app that demonstrates how to build a real-time chat app using Flutter and Firebase. The app includes features such as authentication, sending messages, and displaying messages in real-time. Flutter Chat is well-documented and includes comments that explain the purpose of each code block.

3. Flutter Todo

Flutter Todo is a sample app that demonstrates how to build a todo list app using Flutter. The app includes features such as adding and deleting tasks, marking tasks as complete, and filtering tasks by completion status. Flutter Todo is well-organized and includes comments that explain the purpose of each code block.

The top three Flutter example apps - form creation and validation, navigating and routing, and testing sample - are great starting points for developers who are learning Flutter or the ones interested to explore more.

However, to build a competitive Flutter app, you need to opt for a top notch app development solution. We, at Third Rock Techkno, offer a dedicated Flutter app development solution that caters to your every requirement and ensures your app stands tall in the competitive market. Check out our portfolio and drop us a line to get started today.








Projects Completed till now.

Discover how we can help your business grow.

"Third Rock Techkno's work integrates complex frameworks and features to offer everything researchers need. They are open-minded and worked smoothly with the academic subject matter."

- Dr Daniel T. Michaels, NINS

Related Resources

You May Also Like

Our Services