We Love Flutter at Teqlabs


Nowadays there are new frameworks appeared and took the development community by storm. But is Flutter good for app development? Is it suitable for all kinds of projects such as both Android and iOS ? These are the questions answering in this article.

It is difficult for companies to choose a specific framework. But aspiring developers also want to keep up to date. For choosing the most modern solution, we should form a particular perception of Flutter and React Native’s popularity.


Flutter framework brings cross-platform development to the next level and it provides many features that we’ll look at a bit later. And for now, let’s find out what Flutter is, what the benefits of Flutter app development.

Flutter is an SDK – Software Development Kit. A framework is generally an almost ready-made library with some gaps that you fill with your code, so the app works. In turn, SDK is a much broader notion that is including libraries, frameworks, and other tools.

It is based on SDK (including framework) developed and launched by Google. It’ is running on Dart programming language, which is created by Google as well. Initially, it was made for building web apps. But later, it evolved and is now used for mobile and desktop solutions. It is an object-oriented language, so the transition from other object-oriented programming languages will be very smooth.

Google initially introduced Flutter to the IT community as the layered, extensible system. It consists of three architectural components:

  • Embedder
  • Engine
  • Framework

Each of the levels is written in a particular language.


Embedder uses for wrapping a hybrid app into a native shell. Let’s see how each component functions in more detail. Embedder is the basis. Its absence would ruin the whole concept of hybrid apps. Embedder is the part responsible for launching an app on any OS. It provides access to many services, including the event loop, input, accessibility, and so on. Embedder allows programmers to insert a fragment of Flutter code into the code of the existing app. The quality of the Embedder in this framework is among the top benefits of Flutter app development.


The engine is the central part of Flutter. It is where the bulk of the processes run. It is responsible for:

  • Graphics (including rasterization)
  • Input/Output
  • Subsystems rendering
  • Plugins
  • App accessibility
  • Dart’s compiler and runtime

For each of these processes, the engine is using a Dart library called dart:UI.

For graphics Skia graphics engine is responsible. It is among the major advantages of Flutter. It is open-source and written in C++. It allows drawing fast, smooth animations (more than 60 fps). Skia is used in Google Chrome, Android, Mozilla Firefox, and others. 


The major part is done on the Flutter framework level. It consists of many libraries that allow working with animation, gestures, layouts, etc. Each element in Flutter is a widget. It makes absolutely everything customizable. Of course, some ready-made elements are having their initial design already. However, Flutter is open source. So, you can look into the code of even the smallest components to change them according to your requirements. Google has been made this framework extremely flexible and expressive by adding a library of highly scalable widgets. Flutter is also offering complete support for the development of tailored interfaces with exclusive and engaging themes.

In many other frameworks, if something changes in the app somehow, it is necessary to track changes and updates in the UI through the whole code. Sometimes, incorrect changes in the UI may be a result in errors even in unrelatable parts of code.

Flutter offers a modern approach to this. It separates the user interface from the underlying code. It is among the most significant advantages of Flutter because it eases the development greatly. When you create a particular UI description and the framework does the rest of the work – implements it where it has to be.

Apart from the mention benefits, there are some more benefits of Flutter app development:

  • The resulting apps have high performance
  • They are secure and scalable
  • Flutter framework provides various error-handling tools, which makes debugging very efficient

 Let’s see what big companies used Flutter in 2020:

  • Google
  • Square
  • BMW
  • eBay
  • Alibaba Group

Google Flutter is known for its productivity. It is a highly efficient, portable GPU rendering UI that permits it to work on multiple, up-to-date interfaces.

The frameworks are offering total support for a wide range of Integrated Development Environments (IDEs) such as Visual Studio Code, Xcode, and Android Studio.

Flutter has a specific command known as Flutter Doctor that helps to identify the bugs or glitches in the app. By using this command, the developers can easily locate the problems in the app and rectify them readily.

Apart from these, Google Flutter extends support for setting up and formatting pictures and online videos. This makes the apps more interesting.

Features of flutter that beneficial for the app development industry,

1) Faster App Development Process

Flutter is supporting both IOS and Android, making it a feasible option for cross-platform app development. It allows the developing team to modify widgets and build a highly engaging native interface. Also, the immensely productive rendering engine makes it a great choice for developing native platforms.

2) Striking User Interface

Having an eye-catching user interface is always a big advantage for mobile apps. Flutter features of material Design and Cupertino for Android and iOS apps, respectively, that assist the app developers in building highly engaging apps. These are set of visual and motion-rich widgets that make the app look amazing and interactive on both platforms. These apps are easy to navigate and also extremely user-friendly.

3) Accessible Native Features and SDKs

Flutter is making your app development journey delightful through native codes, third-party integrations, and platform APIs. You can easily access the native features and SDKs on both platforms and reuse the widely-used programming languages for IOS and Android such as Swift and Kotlin.

4) Highly Reactive Framework

With Google Flutter, you can easily modify the interface by changing the variable in the state. Consequently, all changes will reflect in the UI. Also, Flutter makes it easier and fastest to set up the application compared to React Native.

5) Full Compliance with Design Standards

Flutter makes sure that every design feature of the app on the particular operating system fully conforms.

A recent launch by Google, Flutter is a mobile UI framework that helps to develop brilliant Android and iOS applications with a single codebase. This means not only a single development team, but also the possibility to launch apps on both platforms at the same time. Github says that React Native has 9.1k contributors, while this number for Flutter reaches 13k. We can see that Flutter’s popularity amounted to nearly twice the React Native framework.


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