The Google Pay India app is rewritten in Flutter

When Flutter was unveiled at the 2015 Dart Developer Summit, no one, at that time would have anticipated the immense popularity that Flutter app development has gained over time.

Flutter is an open-source UI software development kit created and maintained by Google and the community. It is cross-platform in nature and used to develop applications for web, Android, iOS, Linux, Windows, Mac, and Google Fuchsia (operating system being developed by Google).

Just after three years of its launch, it has achieved many milestones and adopted by the world’s well-known firms such as

  • Google
  • Alibaba Group
  • Tencent, Square
  • BMW
  • eBay
  • Google Pay(Tez)

Good Read: Top 32 Famous Mobile Apps Developed Using Flutter

Once again, Flutter is in the news as Google announced that Google Pay(Known as Tez in India) has chosen Flutter to provide the best-in-class experience to its users.

Let’s dig up a little deeper in this news.


Google Pay Rewritten In Flutter To Drive Its Global Product Development

Google’s very popular payment service, Google Pay, also known as Tez, was launched in India three years ago. It is one of the widely popular payment services across India and used by millions of users and businesses. It has made online payment services very easier for everyone including novice users.

Tez is closely integrated with UPI (Unified Payments Interface) which is a real-time payment system developed by the National Payments Corporation of India. Tez was later rebranded as Google Pay in 2018.

Design simplicity, flawless UI, and secure processes of Google Pay have won the trust of thousands of customers. It is more than a payment system and used for not just online transfer but for paying bills, recharge, bank loans, train tickets, eCommerce, and many more within the app.

Google has been trying to revamp payment products globally since the first quarter of 2019. Google wants to create a modern development environment with a focus on faster and efficient development. To reach maximum users, teams at Google are also leveraging cross-platform app development to be able to develop on both – Android and iOS platforms.

Google Pay Flutter implementation is now available in open beta in India and Singapore. They are now focused to launch Google Pay on Flutter across the world on Android and iOS platforms. The rewritten app must be able to function well across a wide variety of payment chains, infrastructures, and operating systems.

Why Did Google Choose Flutter For The Rewrite? What Makes Them Choose Flutter?

According to the official Google blog, they have chosen Flutter, citing these 3 major things:

  • Write once in Dart and deploy on both iOS and Android for a uniform best-in-class experience
  • Just-in-Time compiler with hot reload feature for increased developer efficiency and faster UI changes
  • Ahead-of-time compilation ensured high-performance deployment

One of the reasons they selected Flutter is cross-platform and uniform experience. Flutter apps are written in Dart and leverages the best features of Dart to make app development easier, efficient, and faster. Ahead-of-time compilation on both Android and iOS offer high performance on mobile devices and makes deployment easier as AOT generates machine optimized code.

Flutter’s Just-in-time execution engine allows the immediate reflection of changes in source code, without refreshing or restarting of the app. It also offers a stateful hot reload where changes can be reflected in the running app without loss of a state of the app.

Teams at Google enjoyed using Flutter as it significantly reduces time to create beautiful UIs. With high-quality widgets, consistency in UI development, and hot reloading, Flutter makes happier teams and offers a smoother development experience.

“After carefully weighing the risks and our case for migration, we decided to go all in with Flutter. It was a monumental rewrite of a moving target, and the existing app continues to evolve while we were rewriting features. After many months of hard work, Google Pay Flutter implementation is now available in open beta in India and Singapore.”
– An excerpt from Google Developers Blog

Flutter Is Setting Benchmark For Full-Featured Cross-Platform App Development

When Flutter 1.0 was released, developers and tech professionals were skeptical about Flutter for mobile app development services. Despite young age and relatively small communities, Flutter became popular compared to other cross-platform tools in a very short period. In the upcoming days, we will see more advancement in the Flutter framework with better support for platforms like Android and iOS.

Good Read: Flutter For MVP Development: Design Quick, Launch Fast

How Flutter Is Advantageous To Businesses?

Here are some key benefits of using Flutter. It is equipped with great features and scalable to handle a large number of concurrent users (Google Pay is a recent example).

  • It drastically reduces app development time
  • Excellent performance and best user experience
  • Ease of integration and great community support
  • Happier teams and increased productivity
  • Visually-appealing apps for both iOS and Android platforms
  • Uses Dart language to improve overall performance

Good Read: Flutter For Startups – Why Appreneurs Are Excited About It?

We have used many products of Google in our everyday lives. Google Pay is one such app that offers as finest experience as we expect from a Google Product. Let’s anticipate the best for this rollout of Google Pay Flutter Implementation.

It’s time to give Flutter close attention as it has massive potential to create beautiful, precise, and faster apps. Are you thinking to use Flutter for your next cross-platform app development? Give it a try!

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