FinTech App Development Using Flutter 2024 : Aalpha

FinTech App Development Using Flutter

The fintech industry is revolutionizing at a rapid speed. Many users now are embracing the idea of using banking and online applications to perform transactions and processes, unlike in the olden days. Developers, therefore, have the task of meeting user’s demands by developing top-notch fintech applications that will ease the processes. Throughout the fintech app development process, the developer should consider the best tools and technologies that will enable them to produce cost-effective apps, yet enriched with features that will make the processes seamless and productive.

This brings us to the question, ‘Is Flutter an ideal framework for fintech app development?’ In this guide, we will explore everything you should know about Flutter and how it helps in fintech app development processes. Keep reading for more useful insights.

What is Flutter?

Flutter is simply a Google-based open-source framework. Both full-stack and front-end developers can use Flutter when building application UI for different platforms using the same codebase. As a result, the process becomes cost-effective and seamless.

At the moment, Flutter supports app development for Linux, MacOS, Windows, the web, Android, and iOS platforms. This gives developers ultimate flexibility in ensuring the processes are well-planned and executed.

Facts about Flutter Framework you should know.

For a better understanding of how effective Flutter is in the field of app development, below are some top facts or statistics you should know:

  • Flutter has attained over eleven billion downloads and is used in approximately 51,000 app development tasks
  • Flutter is among the top five commonly used frameworks in the app development industry.
  • Developers using Flutter in their app development projects are more skilled due to the wide range of resources and detailed documentation of the Flutter framework.
  • Since its first release, Flutter attained a 2 billion user base in less than two years.
  • The Flutter usage trend keeps on rising every other year, with top platforms such as Reddit scoring over 104,000 followers and GitHub reaching over 150,000 stars.

Features of Flutter

The following features define the whole concept of Flutter in terms of performance and functionality. The features include the following:

In Flutter, all the elements are referred to as widgets. It can be a Flutter menu, padding, color, or anything related to the app development project.

The widget library feature means developers can create complex widgets and customize them with Flutter based on the requirements of the project at hand. Again, Flutter comes with in-built widgets for different functionalities. Perfect examples of Flutter in-build widgets are Cupertino and Material Design, which play a big role in delivering a seamless user experience (no glitches).

Hot reload helps speed up the whole development process, helping developers overview the outlook of the final product. This feature enables the developer to capture every change in the code once it reflects on the user interface. Therefore, as a developer, you can easily identify and correct errors instantly, thus saving time and other resources.

Flutter, being an open-source framework, means developers can easily explore different designs to create Flutter apps.

Besides, developers can easily create user-friendly apps using Cupertino and Material Design widgets. The detailed documentation and Flutter form community create a professional Flutter team that is available throughout to answer Flutter-related questions and discuss matters about Flutter app development.

With Flutter, it is easy to use the same code on different platforms. A developer can use the same codebase when creating two distinct apps. Again, the user interface is also shareable. This makes it easy for developers to maintain a single codebase instead of creating different codes for different platforms.

This is a unique feature in Flutter. Unlike the hot reload features, the stateful hot reload function in Flutter enables developers to change or adjust the state of an app, even when in running mode. It is a perfect feature when developing interactions in complex and real-time animations.

Native performance means the ability to use third-party integration and APIs in Flutter. For instance, using Objective-C, Swift, and Java codes to explore native features on a given app, such as geolocation and camera. Therefore, this functionality enables developers to integrate Flutter widgets in other applications to enhance a specific functionality.

Flutter uses Dart programming language. Dart programming language is meant to create UI-heavy apps; thus, it is the best option for creating mobile applications. As a developer with Java or JavaScript knowledge, it is easy to earn and master Dart programming language since it is directly linked to the Flutter framework.

Flutter has a solid testing plan that includes unit, widget, and integration testing. This feature makes it easy for developers to test the app at different levels, thus enhancing the performance and development of bug-free apps.

Flutter has dependable community support. It is made up of professional developers who discuss the open-source framework through different strategies such as community forums, documentation, and online resources. This makes it easy for developers who are searching for answers regarding Flutter app development as they learn Flutter’s best practices in the industry.

It is easy to maintain and update an app for improvements when you use Flutter. Developers can create, maintain, and scale codebases with Flutter because of the widget and modular architecture. This is especially advantageous for a continuous project that requires regular adjustments.

Why choose Flutter for fintech app development?

When developing a fintech app, there are many reasons why Flutter is the ideal choice. Below are some of the top reasons making Flutter a perfect solution for fintech applications:

When developing a fintech app, one of the many considerations a developer has to make is choosing a cross-platform or a native approach. Well, the choice one makes has varied pros and cons. Nonetheless, when it comes to budget matters, a Flutter fintech app is the way to go.

Below are simplified ways how Flutter fintech app development saves on a budget:

  • Code reusability — A developer using Flutter in fintech app development can easily reuse the same code on different platforms. This will not only cut costs but save time, too.
  • One app development team — You don’t need to hire separate developers to work on a FinTech app project. One Flutter development team is enough to handle the task instead of hiring different web, iOS, and Android developers. Again, this will help cut down on costs and make the whole process seamless.
  • Fast testing — The hot reload feature enables the Flutter app development team to capture any changes and adjust where necessary once they implement the code correlation. This feature speeds up the app testing process and improves the overall performance of the fintech app, thus cutting down on costs.
  • Unlocking future competitiveness

Many users are now heavily relying on technology and digitalized products. The banking and fintech sectors, too, are transitioning to digital practices at a rapid speed, and this keeps the competition bar higher in the financial sector. Customers will be looking for personalized fintech apps that can help them fulfill their banking and financial wants.

Flutter, therefore, helps developers create apps based on market trends and customer needs. Besides, Flutter app development offers room to create digitalized apps with enhanced user experience that is bug-free, faster, and has seamless processes, something every FinTech user app wants.

From the business perspective, a fintech app that supports a multi-module approach is the real deal. This means that with Flutter, developers can add some cross-platform modules to native apps easily. As a result, fintech companies enjoy the flexibility of trying new ideas and concepts according to market trends and predictions. For instance, implementation of cryptocurrencies, fast payments, buy now pay later basis, and savings accounts, among many other finance tasks.

In the fintech industry, you need an app that guarantees a high user retention rate and engagement. But then, you can only achieve these two aspects when the user experience is top-notch, and using Flutter won’t disappoint you.

When compared to other frameworks, Flutter is the best solution because it comes with built-in components that speed up the process and offer a seamless user experience. This is contrary to other frameworks, such as JavaScript, as they require a bridge between native modules and JavaScript. Again, the Flutter fintech app can go up to 60 frames per second performance while devices can go as higher as 120Hz updates.

Every developer or business needs a fintech application they can maintain and adjust easily based on future trends. Again, a fintech app requires continuous maintenance and adjustments to enhance user retention and enhanced performance.

Many developers acknowledge how easy and effortless it is to maintain banking and fintech apps. In fact, many developers prefer to use Flutter on bigger projects that require continuous changes and improvements since it is easy to introduce new functionalities.

Fintech and banking apps deal with confidential information and transaction details. Therefore, security concerns are the number one priority for a fintech app business and developer. Among the top concerns to look out for include data security, cybersecurity, and identity management. Security of the code, therefore, is something to take note of. Flutter provides excellent security when compared with other frameworks, thanks to its Dart programming language.

Different Functions of fintech applications

It is key to note that the banking and fintech industry is wide, and the top functionalities of fintech apps include the following:

Money transfers — Through fintech apps, users can transfer money from one account to another, including international money transfers, bank-to-bank money transfers, and peer-to-peer money transfers.

Investing — Investing is a crucial aspect in today’s world. Through fintech apps, users can invest in ETFs, bonds, and stocks. These apps help users manage their investing activities from anywhere.

Paying bills — Through fintech apps, users can track their spending habits, set automatic payment approaches, and settle different bills with ease.

Banking — Users can now enjoy and manage banking services such as checking ATM access, debit cards, and savings accounts.

Budgeting & saving — It is easy to create, manage, and track money expenditure to develop healthy saving habits with fintech apps.

Loans & Credit — For credit cards, student loans, personal loans, and other forms of credit services, it becomes easy when using fintech apps.

Cost of Flutter fintech application development

Now that you understand the types of fintech apps and their functionalities, the main question is, how much does it cost to develop a Flutter fintech app?

Well, the overall costs of developing a fintech app using Flutter can range between $20,000 and $30,000. However, the budget can reach $100,000 or even more depending on a number of elements. Let’s discuss this below:

Factors affecting the overall costs of fintech app development using Flutter

The cost of creating a fintech app with Flutter can vary widely depending on the app’s complexity, required features, design specifications, and the geographical location of the development team. For a basic fintech application, the cost can range from \$20,000 to \$30,000, while more complex apps with advanced features such as AI-driven algorithms, custom security solutions, and extensive user interface designs can exceed $100,000 or more. Additionally, the cost of app maintenance and updates must be factored into the overall investment.

Developers located in Asia or Eastern Europe are relatively cheaper than developers from North America and Western Europe. The variation depends on the living standards, technology practices, and availability of the latest mobile tech stack, tools & resources, among many other factors. Nonetheless, when choosing the ideal Flutter fintech app developer, it is key to consider the experience level, portfolio, and reputation of the teams.

Not all fintech apps have the same functionalities. This means the features vary depending on the purpose of the fintech app. Of course, advanced and complex features for more functionalities will require more budget than a basic fintech app with basic features.

Once the Flutter fintech app development process is over, it doesn’t end once launched. There are post-launch processes that attract a significant cost. The post-launch phase includes maintenance processes that ensure app security, integration of the latest tech trends, and related tasks that ensure the app remains fully functional based on the trends and user needs.

If the app requires complex UI/UX design, customized security features, and an AI algorithm, the overall costs can exceed $100,000. Such an app can provide personalized recommendations based on user behavior and detect any fraudulent activities. Of course, the more complex the app is, the more costly the budget.

Also check: Flutter app development cost

There are some costs that might not be on the light, but they affect the overall budget significantly. For instance, use acquisition, digital advertising, and app store optimization are among the activities that enhance app visibility, especially to the target audience.

Again, there are legal fees for data privacy regulations, property compliance, and protection. These are among the miscellaneous costs that one should account for when budgeting for the development of a Flutter fintech app.


Selecting the Flutter UI framework when developing a fintech app is the best approach. The processes are faster, seamless, and have reduced expenses, yet the results are top-notch. With Flutter, you can create a fintech app that is competitive, especially when meeting what the user requires. I become advantageous to the business because of incredible user engagement and retention rates. Developers, too, find it easy to maintain a fintech Flutter app by integrating it with emerging technologies, practices, and trends.

Any queries? Get in touch with our Flutter app development company : Aalpha information systems!

Originally published at on February 21, 2024.



Aalpha Information Systems India Pvt. Ltd.

Aalpha is specialist India based Software Solutions company providing solutions for Web and Mobile development,