Alfie Mellor

Alfie Mellor


React Native vs Flutter (Which is best for startup ?)

Hybrid mobile frameworks are gaining popularity. The appearance of React Native (RN) in 2015 opened amazing opportunities to build apps for iOS and Android using one code base. Hence, it allowed us to kill two birds with one stone and not rewrite the same code twice. Big firms such as UberEats, Discord, and Facebook moved to RN, an effective promotion.

Google didn’t stand aside; they noticed the tremendous popularity of RN. Therefore, Google introduced an alpha version of their own hybrid framework called Flutter in 2017. Flutter also became a very popular framework. The emergence of a framework similar to React Native lead to confusion over what to choose for hybrid mobile app development: React Native or Flutter? However, there’s another important question which you should decide before this: Is it better to develop hybrid or native mobile apps?

We’d like to showcase an easy-to-read guide to which framework is worth learning and using in your work if you need to develop cross-platform apps.


What is Flutter?

Flutter is an open source mobile application development Software development toolkit which is developed by Google. It’s the first release in May 2017. Flutter is written into the C, C++, Dart, Skia Graphics Engine. Flutter works with existing code and ease with which it has been provided has been created by participants and organizations around the world. Flags have been developed by Google. It is also used to develop Android and Android applications. Flutter has been released in May 2017. The SDK is free and launched as a source developer to explore and create powerful, powerful tracking applications around.

What is React Native?

React native is the real mobile application, also open source application development framework which is developed by the Motivate that concepts should be developed on the web for mobile development. Reactive native is used to creating iOS and Android applications. Reactive native was released in March 2015. In this regard, JavaScript is developed. However, the app appearance seems to be a native app.

In this blog, we have compared the two mobile app development frameworks(react native vs flutter) on the basis of various parameters as listed below.

This would help startups choosing the best one for their mobile app development project at an ease. You can also hire developers from top mobile app development companies** **to excel your full stack development work.

The list of parameters on which the comparison has been done is given below:


1. Architecture

React Native

React Native application architecture is known as Flux. Facebook uses Flux to build client-side web applications. Every framework mostly follows MVC framework. The unidirectional data flow is the main concept of Flux. here React takes care of view part and Flux, a programming pattern takes care of the Model in the MVC.


A Dart app architecture library with uni-directional data flow inspired by RefluxJS and Facebook’s Flux. Flutter-flux implements a uni-directional data flow pattern comprised of Actions, Stores, and StoreWatchers. It is based on w_flux but modified to use Flutter instead of React.

Flutter Flux’s implements a unidirectional data flow pattern that consists of Actions, Stores, and StoreWatchers.

2. User Interface (UI/UX)

React Native

Unlike Flutter’s Flat App, React Native App Development requires to use third-party libraries since React Native does not have a UI components library of its own.We used components such as NativeBase, which is an open-source UI components library created by geekyants. React Native Elements, React Native Material Design and Shoutem are other similar UI libraries that are available to the user.

While comparing user Interfaces between React Native vs flutter, React Native is like similar to using HTML without any CSS framework. It is based more on the native components both for Android and iOS also better User Experience (UX) when a user taps into the Operating System.

Unlike Flutter’s Flat App, React Native does not have a UI components library of its own it uses third-party libraries and components like NativeBase. NativeBase which is an open-source library builds a layer on top of React Native that provides you with the basic set of UI components .

Currently, there are 3 main UI libraries:

  • Shoutem UI Components
  • React Native Elements
  • Native Base components


Layout widgets are currently part of the application, new widgets can be included and existing ones can be modified to give them an alternate feel and look, the trend has now changed and the UIs have become more user-friendly, easy to use, increase user engagement, and win grants.

Flutter accompanies built-in beautiful Material Design and Cupertino like iOS-flavor widgets, rich motion APIs, smooth natural scrolling, and platform awareness. Flutter has its own UI components, material design, adaptable widget sets and along with an engine to render them on Android as well as an iOS platform.

Here are a few examples of Flutter Widgets:

  • Shoutem UI Components
  • React Native Elements
  • Native Base components

3) Development Time

The bunch of mobile app development companies that have emerged these days have demonstrated their excellence in the timely delivery of projects and React Native has remained one of the best partners for all these companies. This framework reduces the time frame for mobile app development, adds more to the user interface and takes less time to develop projects.

In the comparison of flutter vs react native, Flutter is new and requires considerable time to develop projects and if we talk about this framework in this particular aspect. React Native has ready-to-use components that help accelerate the landscape of mobile application development without creating much problems for app developers. Flutter also promises high-quality usability, but the framework for application development needs to get more recognition over react native.

**Winner(react native vs flutter): **React Native

4. Stablility Comparision : React Native or Flutter?

The stability becomes an important factor when you are developing a cross platform app. And yet again, we have a tough competition here. At first, Flutter was lacking behind since it had only its alpha version, which was not very suitable for longer projects.

However, last month Google has announced the Flutter Beta 2, which offers improved developer tools and asset system.

React Native was quite stable from earlier and it also enjoys the support of large community of contributors.

**Winner(react native vs flutter): **React Native

5. Programming Languages

RN utilizes JavaScript (JS), which seems to break into software development for every existing platform. It’s used as a default scripting language for web development. Tools like React Native made JS suitable for mobile development, and Node.js introduced JS to server development, as well.

Flutter doesn’t appear to be in the winning position here. It uses a lesser-known language called Dart. This language was created and is being promoted by its originator, Google. However, developers who have tried it out mostly share positive reviews about Dart.

6. Performance

RN includes two parts in its architecture: the JS language and native components. An app built via RN uses JS, but to interact with native components (like OEM widgets, audio, and GPS), a JS bridge is required. It’s used to turn JS variables to native ones. Of course, the conversion creates an additional task that slows React Native down.

What is revolutionary in Flutter? It’s the architecture that enables us to build fast-performing, native-looking apps. Because Flutter doesn’t need a bridge, it can work much faster. Therefore, Flutter is able to run animations at 60 frames per second. The overall speed of an app is so fast that it seems like it’s a browser inbuilt app.

Unit Testing

React Native

Developers have all JavaScript frameworks available for testing at a unit level. However, when it comes to UI and automation testing, the situation is not as bright. Although a number of third-party libraries are available, there is no clear picture there.


Flutter is a new framework and when it comes to testing a new framework it’s somehow difficult but flutter uses Dart which offers an excellent unit testing framework which can be utilized and Flutter provides you with a great option for testing the widgets on a headless runtime, at unit test speeds.



So we have seen a detailed comparison of both the mobile app developmentframeworks for start-ups. Both have their own plus points in terms of stability, performance, documentation etc. as discussed above.

However, it is difficult to decide which one is the winner as they have their own pros and cons. In my opinion, Flutter being new framework would take time to get stable and would travel miles to compete successfully with already popular mobile app development framework i.e. React Native. Hence, React Native is a good choice to start with and can be declared as the winner right now.

No doubt, Flutter can also be a good choice as it creates beautiful mobile apps and can help start-ups to earn well in less time. Moreover, it has an impressive future too.

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React Native vs Flutter (Which is best for startup ?)

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Autumn Blick


How native is React Native? | React Native vs Native App Development

If you are undertaking a mobile app development for your start-up or enterprise, you are likely wondering whether to use React Native. As a popular development framework, React Native helps you to develop near-native mobile apps. However, you are probably also wondering how close you can get to a native app by using React Native. How native is React Native?

In the article, we discuss the similarities between native mobile development and development using React Native. We also touch upon where they differ and how to bridge the gaps. Read on.

A brief introduction to React Native

Let’s briefly set the context first. We will briefly touch upon what React Native is and how it differs from earlier hybrid frameworks.

React Native is a popular JavaScript framework that Facebook has created. You can use this open-source framework to code natively rendering Android and iOS mobile apps. You can use it to develop web apps too.

Facebook has developed React Native based on React, its JavaScript library. The first release of React Native came in March 2015. At the time of writing this article, the latest stable release of React Native is 0.62.0, and it was released in March 2020.

Although relatively new, React Native has acquired a high degree of popularity. The “Stack Overflow Developer Survey 2019” report identifies it as the 8th most loved framework. Facebook, Walmart, and Bloomberg are some of the top companies that use React Native.

The popularity of React Native comes from its advantages. Some of its advantages are as follows:

  • Performance: It delivers optimal performance.
  • Cross-platform development: You can develop both Android and iOS apps with it. The reuse of code expedites development and reduces costs.
  • UI design: React Native enables you to design simple and responsive UI for your mobile app.
  • 3rd party plugins: This framework supports 3rd party plugins.
  • Developer community: A vibrant community of developers support React Native.

Why React Native is fundamentally different from earlier hybrid frameworks

Are you wondering whether React Native is just another of those hybrid frameworks like Ionic or Cordova? It’s not! React Native is fundamentally different from these earlier hybrid frameworks.

React Native is very close to native. Consider the following aspects as described on the React Native website:

  • Access to many native platforms features: The primitives of React Native render to native platform UI. This means that your React Native app will use many native platform APIs as native apps would do.
  • Near-native user experience: React Native provides several native components, and these are platform agnostic.
  • The ease of accessing native APIs: React Native uses a declarative UI paradigm. This enables React Native to interact easily with native platform APIs since React Native wraps existing native code.

Due to these factors, React Native offers many more advantages compared to those earlier hybrid frameworks. We now review them.

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Google's Flutter 1.20 stable announced with new features - Navoki

Flutter Google cross-platform UI framework has released a new version 1.20 stable.

Flutter is Google’s UI framework to make apps for Android, iOS, Web, Windows, Mac, Linux, and Fuchsia OS. Since the last 2 years, the flutter Framework has already achieved popularity among mobile developers to develop Android and iOS apps. In the last few releases, Flutter also added the support of making web applications and desktop applications.

Last month they introduced the support of the Linux desktop app that can be distributed through Canonical Snap Store(Snapcraft), this enables the developers to publish there Linux desktop app for their users and publish on Snap Store.  If you want to learn how to Publish Flutter Desktop app in Snap Store that here is the tutorial.

Flutter 1.20 Framework is built on Google’s made Dart programming language that is a cross-platform language providing native performance, new UI widgets, and other more features for the developer usage.

Here are the few key points of this release:

Performance improvements for Flutter and Dart

In this release, they have got multiple performance improvements in the Dart language itself. A new improvement is to reduce the app size in the release versions of the app. Another performance improvement is to reduce junk in the display of app animation by using the warm-up phase.


If your app is junk information during the first run then the Skia Shading Language shader provides for pre-compilation as part of your app’s build. This can speed it up by more than 2x.

Added a better support of mouse cursors for web and desktop flutter app,. Now many widgets will show cursor on top of them or you can specify the type of supported cursor you want.

Autofill for mobile text fields

Autofill was already supported in native applications now its been added to the Flutter SDK. Now prefilled information stored by your OS can be used for autofill in the application. This feature will be available soon on the flutter web.


A new widget for interaction

InteractiveViewer is a new widget design for common interactions in your app like pan, zoom drag and drop for resizing the widget. Informations on this you can check more on this API documentation where you can try this widget on the DartPad. In this release, drag-drop has more features added like you can know precisely where the drop happened and get the position.

Updated Material Slider, RangeSlider, TimePicker, and DatePicker

In this new release, there are many pre-existing widgets that were updated to match the latest material guidelines, these updates include better interaction with Slider and RangeSliderDatePicker with support for date range and time picker with the new style.


New pubspec.yaml format

Other than these widget updates there is some update within the project also like in pubspec.yaml file format. If you are a flutter plugin publisher then your old pubspec.yaml  is no longer supported to publish a plugin as the older format does not specify for which platform plugin you are making. All existing plugin will continue to work with flutter apps but you should make a plugin update as soon as possible.

Preview of embedded Dart DevTools in Visual Studio Code

Visual Studio code flutter extension got an update in this release. You get a preview of new features where you can analyze that Dev tools in your coding workspace. Enable this feature in your vs code by _dart.previewEmbeddedDevTools_setting. Dart DevTools menu you can choose your favorite page embed on your code workspace.

Network tracking

The updated the Dev tools comes with the network page that enables network profiling. You can track the timings and other information like status and content type of your** network calls** within your app. You can also monitor gRPC traffic.

Generate type-safe platform channels for platform interop

Pigeon is a command-line tool that will generate types of safe platform channels without adding additional dependencies. With this instead of manually matching method strings on platform channel and serializing arguments, you can invoke native class and pass nonprimitive data objects by directly calling the Dartmethod.

There is still a long list of updates in the new version of Flutter 1.2 that we cannot cover in this blog. You can get more details you can visit the official site to know more. Also, you can subscribe to the Navoki newsletter to get updates on these features and upcoming new updates and lessons. In upcoming new versions, we might see more new features and improvements.

You can get more free Flutter tutorials you can follow these courses:

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