Know the Benefits and Loopholes of Flutter – SDK created by Google

Vipin Jain
Vipin Jain, Co-Founder & CEO at Konstant Infosolutions
Published on Mar 07, 2019 in Cross Platform Developers Resources
Know the Benefits and Loopholes of Flutter – SDK created by Google

Flutter is being greeted with unexpectedly rapturous and tender expressions from cross-platform app development enthusiasts!

Why does someone make use of a mobile app? What directs their decision to get the app developed in a particular programming language? The type of mobile app they are going to use, and the platform they select for development - Native or Cross-platform?

Amongst the prevalent cross-platform app development options like Xamarin, React native, Adobe PhoneGap/Apache Cordova, and Ionic; Flutter is celebrated for its ease and flexibility with code and platform. It is an open-source mobile app development SDK created by Google and has become a primary method of creating applications for Google Fuschia.

What are the features of Flutter?

Flutter gives leverage to build beautiful native apps to mobile app developers. It can work with existing code + its hot reload feature helps mobile app developers quickly experiment, build UI’s, add features and fix bugs.

Express Development

Flutter gives that super-fast running application that re-loads in sub-seconds time without losing state, on emulators, simulators, and hardware for iOS and Android.

Flexible and Expressive UI

Another important feature, which ships along with Flutter is a focus on native-like end-user experience. Its layered architecture allows complete customization that results in incredibly fast rendering and expressive and flexible designs.

Presence of Modern Reactive Framework

It comes with a framework that is functional and reactive – including a rich set of platforms, layout and foundation widgets. It's a powerful and flexible API's support 2D animation, effects, gestures – that resolve virtually every kind of UI challenge.

Accessing Native App Features

Flutter allows the app to exhibit all new exciting features to bubble it up on the play store. With all platform API's, 3rd party SDK’s and native code – it is easy to utilize existing Java/Kotlin/Objective C or Swift code, thus using all native features and SDK on Android and iOS.

Unified App Development

Flutter even allows mobile app developers with little or no experience to make their ideas go live with expressive mobile apps and leverage their existing Kotlin/Java/Objective-C or Swift investment.

While the hunt for subtle and intelligent features of Flutter may be a staple of forthcoming Android and iOS applications, primarily for Google Fuchsia, here are some good and not so good looking facets of Flutter:

Pros of Flutter

Advertising cross-platform development toolkits aptly – coming up with reusable blocks of UI, reactive performance, code reusability on multiple platforms – Flutter (by Google), facilitates wrapping a web-view in a native app and is preferred for cross-platform app development for following reasons:

  • Fast Development with Hot Reloading - Flutter facilitates its developers with hot reload option and eases their work by allowing them to preview code changes in the emulator, simulator or hardware for Android and iOS. This makes it easy for the developers to experiment with the code, add new features, build UI’s and fix bugs faster.
  • UI Building with Built-In Widgets – Flutter makes easier to build a number of isolated, independent and reusable blocks of UI that can be further composed to create comprehensive UI. The presence of flexible API's for 2D animations, gestures and effects give the apps a final effect.
  • No Reliance on OEM’s – Flutter does not make use of OEM widgets or web-views that are shipped with the device and utilizes its own high-performance rendering engine to draw widgets either.
  • Dart Language for Development – Dart is assembled along with Flutter, an object-oriented and terse option to create modern style UI’s (Dart trans-compiles optionally into JavaScript).

Besides these, Flutter is good to create faster mobile apps, great for MVP development, requires less testing efforts and supports native features.

All the above pros exemplify the potential of mobile app developers using Flutter for cross-platform app development, imparting native experience to users:

Alibaba (eCommerce), Google Ads (Utility), Birch Finance (Finance), Reflectly (Lifestyle), Cryptograph (Finance), Hamilton Musical (Entertainment), Hookle (Social), Coach Yourself (Health and Fitness), Watermaniac (Health & Fitness), SG BusTracker (Maps & Navigation)

Cons of Flutter

  • Flutter is a younger sibling to its elder cross-platform app development counterparts.
  • Lack of complete documentation, forums on stack overflow and Github
  • The speed of UI is low on a computer screen
  • There are issues in integrating with native external libraries

How must is the Cost of App Development?

As Flutter is free and open-source, is multipurpose (both for web and mobile), speeds up design and development, is easy to test and maintain – mobile app developers follow complete software development life cycle process (planning, analysis, coding, testing, maintenance, and deployment), which are all important factors in determining the cost of app development.

There is growing evidence to suggest that requirements of UI, some mobile-specific native features, content management by the user and external API integrations – all become part of the overall cost of the app.

Still, if a normal app with basic features takes $10,000 to $15,000, a Flutter app can be developed in half the cost.


Flutter 1.0 is a stable release (as of December 2018) of the framework. Flutter enables creating impressive UI’s which can also be debugged with help of Dart (that uses Ahead-of-Time compilation techniques and compiles into native code without that additional bridge. This noticeably speeds up the app startup time). Every object in Flutter is made in form of widgets, which are organized in form of trees, in a layered architecture approach. It has the mildest learning curve. Flutter is portable enough to run on any device. It also supports third-party ports to create Flutter apps for Mac OS, Windows, and Linux. Flutter comes with built-in accessibility to support preferences for a global audience (Internationalization feature). It ensures web accessibility to support large fonts, screen readers and sufficient contrast.

While almost everything is automated, it is advised that developers also do some testing on their part, try and make some changes to the settings and special test their designs with different settings.

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About the author
Vipin JainCo-Founder & CEO at Konstant Infosolutions

Vipin Jain is the Co-Founder and the CEO of Konstant Infosolutions, a mobile app development company based out in India and the USA. His vision and decisions have molded the operations, plans, human resources, marketing, public relations and finances...

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