Is Flutter the Future of Cross-Platform Mobile App Development?

• By Amelia Swank
• 16-06-2025
• Mobile App Development

Introduction

Flutter is a dominant name in the cross-platform application development space that cannot be overlooked. Starting from its experimental phase under the codename "Sky" in 2014 to its first official release as Flutter 1.0 in 2018, the platform has really come a long way. Now supporting development for over 6 platforms (Android, iOS, Web, Windows, macOS, Linux), Flutter has cemented itself as a leading multi-platform that has now entered its production era (a milestone marking its transition from experimental or early-stage development to being fully ready for the real world) after 3 successful releases in the last decade.

However, despite this success, there is rising skepticism among developers about Google’s long-term commitment to Flutter. Discussion forums and platforms, including Reddit and Stack Overflow, are flooded with questions surrounding the future of the platform. People are wondering if Google will continue to invest in it or eventually shift focus to other upcoming projects. Such discussions have raised concerns about the platform’s sustainability in the long run, leading to a mix of caution and speculation.

This article will dig deeper and try to see if Flutter is really losing support and is at risk of being abandoned by Google. And if that’s the case, what should you expect from the future of Flutter in cross-platform development?

Flutter as of 2024: The State of its Utility in Cross-Platform Development

As of December 2024, Flutter’s community had more than 1 million monthly active developers across the globe. To put this further into perspective, this vast community has contributed to the creation of thousands of apps across both iOS and Android platforms, with an impressive 30% of all apps in the App Store alone.

Why Has Flutter Dominated the Cross-Platform Scene?

Besides Google's backing, a single codebase approach, and an exhaustive ecosystem, Flutter has been a top cross-platform app development framework due to several other reasons. Here are the main advantages of Flutter:

1. Flutter for a Shared Codebase and Better Developer Experience

Flutter makes it easy to build apps for both iOS and Android—all from a single codebase. It also streamlines development with built-in testing support, fast iterations, and tools that developers actually enjoy using.

Not buying it? Ask eBay Motors’ development teams.

The company had long been a go-to platform for car enthusiasts, but they did not have a dedicated app experience for them. To fill that gap, the company asked its development teams to build feature-rich apps for both Android and iOS within a year. In an attempt to achieve this, eBay Motors turned to Flutter.

By sharing a single codebase for nearly everything, from UI and business logic to analytics and CI pipelines, they achieved an impressive 98.3% code reuse. This drastically cut down development time and simplified maintenance across platforms. In fact, in an internal survey, 100% of its development team preferred Flutter over native development, with 70% saying it made their work 2X faster. (Source)

2. Flutter for Responsive UI/UX

When it comes to responsive design, Flutter provides built-in tools like LayoutBuilder and MediaQuery that enable developers to create apps that automatically adapt to various screen sizes and orientations.

Additionally, it supports flexible UI elements such as Flexible, Expanded, Wrap, and more. These components allow for other elements to occupy specified proportions of the available space, expand as necessary, and display multiple items in rows or columns.

Scandinavian Airlines can attest to Flutter’s design capabilities. Their mobile app, built on Flutter, has won numerous awards, including the Webby People’s Voice Award, the iF Design Gold Award, and the Red Dot Design Award. (Source)

3. Flutter for Improved UX with its Support for Embedded Devices

Flutter’s flexible architecture allows it to run beyond mobile apps, supporting embedded systems through its powerful Embedder API. This makes it a strong choice for building consistent, high-performance UIs across diverse hardware environments.

Toyota’s infotainment systems are a prime example of this. The company chose Flutter to bring the infotainment system in line with its signature performance and design standards. Using Flutter’s Embedder API, the team integrated the Flutter engine into a Linux-based system, enabling a fast and consistent user interface across in-vehicle applications. Moreover, with its robust rendering engine, hot reloading features, and AOT (ahead-of-time) compilation, Toyota was able to deliver a smartphone app-like UX rather than a traditional embedded system.

Being impressed by the initial results, the company even worked on creating additional in-house tools using Dart and Flutter’s declarative UI to simplify workflows further. (Source)

4. Flutter for Performance and Reliability

Another standout feature is Flutter’s performance. Unlike other frameworks that rely on web views or JavaScript bridges, Flutter compiles directly to native code. This ensures smooth, high-performance apps that provide memorable experiences while still being indistinguishable from natively developed apps.

For instance, when Universal Destinations and Experiences adopted Flutter, they experienced a notable reduction in their app size without compromising performance. This was particularly beneficial for users with limited or unstable internet access, as smaller app sizes are quicker to download and easier to maintain. Additionally, the performance improvements were clear—app crashes were minimized to almost zero, demonstrating Flutter's ability to deliver high-performance applications. (Source)

5. Flutter for Faster, More Cost-Efficient Development

Besides unifying the codebase for different platforms, Flutter offers many other features that streamline development without adding to the costs. With its Hot Reload feature, developers can instantly see changes in the app as they make updates without needing to recompile the entire application. This helps implement real-time feedback loops for quicker iteration, testing, and debugging, assisting teams to save countless hours.

Consider LG Electronics’s experience with Flutter. They were initially using web apps for their webOS-powered smart TVs to avoid the high costs of developing native apps. But soon, they were struggling with slower load times and higher memory consumption. With Flutter, however, they’ve found a solution that offers both fast development and strong performance. This has led LG to use Flutter for key applications in their webOS TVs worldwide, starting in 2025. (Source)

While all of these reasons have made Flutter a developer favorite, certain concerns are being raised about its long-term viability.

The Role of Dart in Flutter’s Trajectory

When Google first announced Dart as Flutter’s core language, it raised several concerns and apprehensions within the developer community. This was a questionable yet bold move, especially in a JavaScript-dominant cross-platform industry. Yet over time, Dart has proven to be both a strength and a barrier, depending on whose opinion you consider.

Upsides of Choosing Dart as Flutter’s Primary Language

• Easy Learning Curve (Especially for OOP (object-oriented programming) Developers): Its syntax is clean and well-known to anyone with experience in C# or TypeScript.
• Performance Focus: Dart can natively compile JavaScript and ARM code (designed for machines built using ARM (advanced RISC machines)). This enables Flutter apps to run fast with minimal overhead. Additionally, when paired with Flutter’s Skia engine, it eliminates the need for JavaScript bridges (a common bottleneck in React Native).
• One Programming Language, Full Stack: It can also be used on the server with frameworks like Aqueduct or Dart Frog, allowing some projects to unify front and back-end development (though adoption is still niche).
• Highly Suitable for UI Logic: Dart’s "code-as-configuration" approach makes it easier to describe complex UIs in a declarative style. You write the UI directly in code, using widgets to describe what you want the interface to look like. This eliminates the need for a separate layout language like XML (used in Android) or JSX (used in React).

Shortcomings of Dart as the Chosen Language

• Limited Ecosystem: Compared to JavaScript or Kotlin, Dart has a smaller library ecosystem. While it covers all core needs through Flutter’s plugins, developers may have to find separate solutions for niche use cases or large-scale tools.
• Lack of Popularity Outside Flutter: Dart is tightly coupled with Flutter's ecosystem. Outside of it, Dart has limited traction, which means fewer job postings, less community support, and fewer full-stack applications built around it.
• Server-Side Still Maturing: While Dart has some back-end frameworks, they don’t match the maturity or flexibility of NodeJS, Spring Boot, or Django. This limits Dart’s full-stack appeal in enterprise settings.

While these limitations have not hampered Flutter’s growth, they have influenced who has adopted it.

• Startups and product teams that have the freedom to choose their stack and want to move fast benefit the most from Flutter. This is because they:
  
  • Prioritize speed and flexibility over established conventions.
  • Often have greenfield projects that aren't constrained by existing infrastructure.
• Enterprises may be more cautious due to Dart’s limited integration with other tech stacks (JavaScript), making team onboarding and long-term support more complex.

Is Flutter in Crisis? Rising Concerns About Google’s Support in the Developer Community

The skepticism around Google’s long-term commitment stems from its history of abandoning projects in the past. For instance, Google Reader, a popular RSS service, was shut down in 2013 despite its strong user base, citing a lack of growth and shifting priorities. More recently, Google’s decision to discontinue Inbox by Gmail, a highly praised email app.

Such incidents raise further questions about the company’s willingness to continue supporting projects over the long term. Consequently, developers have also started worrying about Flutter’s future, especially since it is now an open-source project. This makes developers fear that without continuous backing from Google, Flutter may eventually face a similar fate.

The Future of Flutter if Google Steps Back: What’s Next for Developers?

If Google steps back from supporting Flutter, what do you think would happen? Here is what could happen:

1. Slowdown of Updates, Security Patches, and Bug Fixes: Without Google’s long-term support, Flutter’s update cycles would significantly slow down. The platform would not receive regular enhancements, security patches, or bug fixes. This would leave applications vulnerable to potential threats and performance issues.
2. Shift Toward Alternative Platforms: Being concerned about the future sustainability of Flutter, businesses might start looking for alternative frameworks that offer more long-term security. This could lead to a surge in the adoption of frameworks like React Native or Xamarin, which are backed by other tech giants (Facebook and Microsoft, respectively).
3. Dart Could Become Irrelevant: As Dart is tightly coupled with Flutter, its popularity and relevance largely hinge on Flutter’s success. A decline in Google’s support could lead to severely reduced usage of Dart and the eventual demise of the language outside Google use cases.
4. Return to Native Development: Without robust cross-platform abilities like those of Flutter, businesses might turn to native development—an option that’s almost always there in the long term. However, while this approach offers greater control over performance and platform-specific features, it also comes with increased costs and longer development timelines.
5. Decreased Community Engagement: As of today, Flutter has a growing and active developer community. However, if Google were to step back from supporting it, this growth might lose its momentum. Developers might become demotivated to work on projects. Businesses might stop hiring Flutter developers. Moreover, with a reduced flow of new resources, overall engagement would take a hit.
6. Community-Driven Development: Contrary to the assumption above, there’s a chance that if Google reduces involvement, the open-source community could step in to maintain Flutter. You might see forks (separate versions of the framework developed by copying the original one) maintained by independent contributors or companies for experimental purposes.

Will it Really Happen?

Despite these concerns in developer communities, Google has shown no indication or intention to abandon Flutter anytime soon. In fact, the company is actively investing in and incorporating Flutter into its upcoming projects, reinforcing its long-term commitment to the framework. The biggest testaments would be Google Ads, Google Pay, and Google Assistant. Additionally, Fuchsia OS, Google’s next-generation operating system, has been designed with Flutter at its core. With such extensive reliance, the future of Flutter seems bright for now.

Moreover, being the second most preferred mobile app development SDK, Flutter’s popularity in the industry is on the rise. Major companies, including Alibaba and Reflectly, have adopted Flutter for their applications and are constantly hiring dedicated Flutter developers to maintain and innovate these apps.

As Michael Thomsen, Dart’s Product Manager at Google, rightly said—Flutter’s actual production era has just begun. It would not have been possible without the 1,400+ contributors, 10,000+ package publishers, and countless Flutter enthusiasts. And these numbers are only growing. It’s safe to say that Flutter’s future in cross-platform app development is bright.