Pros & Cons of Using Flutter for Mobile App Development

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Pros & Cons of Using Flutter for Mobile App

Ahead of the Flutter has been introduced, mobile application developers were required to come up with separate programs for two important cellular platforms, Apple iOS & Android. This was a really time-consuming endeavor & included enormous financial resources. At this moment, cross-platform development tools & applications were highly desirable. Cross-platform advancement was gaining significance as it saved lots of time, energy & money.

Flutter: A Cross-App Development Platform

In February 2018, Flutter premiered by Google. It is a software or program development toolkit. It gives the programmer with a framework, interactive tools & widgets to develop a mobile program for both Apple iOS & Android mobile platforms. Since its launch, Flutter has gained huge popularity & is now a buzzword in the mobile application development space. Flutter is getting attention from all the directions. It is practically not possible for any hardcore programmer to be unaware of Flutter. Every program has its own pros and cons.

Flutter’s Pros & Cons are Mentioned as Below: –


Quicker User Interface Coding:

Flutter provides pre-designed, ready to use widgets.  It helps programmers to build applications using these building blocks.  Each object, be it button, layout, font, padding, is a widget. So, they can easily be compatible with both platforms.  UI customization & development has become the most time-consuming task from the application development, takes minimum time with the Flutter.

Sexy Reload:

This is one of the Fantastic functions of this Flutter. It enables programmers to observe the real-time influence in the app of these changes made in the coding. It requires just a couple of moments for modifications to reflect on the program. For example: If while executing a program, the developer comes across an error, he could rectify the mistake & see the correction on the program display immediately and continue from wherever he has left.

One Codebase for 2 Platforms:

This function promotes cross-platform improvement. The developer just needs to write one codebase for two different cellular platforms rather than writing two different codebases for iOS & Android.

Requires Less Testing:

As code is written just once for both the mobile platforms, less quantity of testing is required.  It is a double advantage for the developer who writes the test checks & frames the quality assurance policy, just once. It saves time and effort since just one test check can be used for the two platforms & when the result of the test indicates an error, it has to be corrected in one codebase only.

High Performance:

Flutter uses DART & DART utilizes AOT & JIT, instead of JavaScript Bridge which reduces the startup time & ends in superior overall performance. JIT compilation results in quicker development & improves hot reload capacities, without needing to rewrite the entire codebase again.


Only for Mobile:

Flutter is used to create applications for mobile-only. It is not supported by web browsers. So, it cannot be utilized for any apparatus aside from mobiles.

Restricted Library Service:

Flutter is a relatively new item. It doesn’t have all the functionality that a developer may demand. Even though Google provides excellent support but nevertheless many useful functionalities are not yet implemented. Gradually, the library support is improving. The Flutter team is completely engaged in solving the issues raised by the users.

No TV Service:

Flutter cellular applications aren’t supported by Apple or Android TV.

Large Size Program File:

The program that’s made using Flutter is of big size when compared with apps developed by other tools. As an example, the file size of one of those Flutter apps when it was started was 6.7MB.  Afterward, the size has been reduced to 4.7MB; whereas the identical app made using Java is 539KB.  Apps can’t afford to get large file sizes since mobiles phones for which they are developed, have limited storage space. No person will be ready to download a large size app to their telephones in the cost of deleting their favorite photos, music files on the phone.

IOS Issues:

The Android operating system & Flutter comes in the same developer which is Google. So, Android & Flutter are in complete sync with one another. So, building a Flutter mobile program for Android is a nice & niggle-free encounter for the developers because Google also requires an immediate interest in solving the matter as soon as possible.

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