Comparing Flutter and Swift: Which Framework Should You Choose for iOS App Development?

Linearloop Private Limited
5 min readMar 24, 2023
Flutter vs Swift

When it comes to mobile app development companies in India, Linearloop is one of the most recognized names. We have world-class experts who develop web and mobile-based applications using top-notch technology.

Furthermore, in 2023 a hot debate is revolving around Swift and Flutter hence we are also here with our opinion. As per the research, the market of mobile applications will reach US$641.10bn by the year 2027.

From here one can estimate the worth of mobile applications and hence knowledge about both concepts is a must.

Apart from that we are a firm believer, if you don’t follow the recent technologies leveraging their concepts you will be far behind. So, in order to sustain your growth in the market, you must be aware of each technology.

Considering the fact we are presenting content that revolves around Swift Vs. Flutter. Moreover, our existence is not limited to India only; we have developed result-driven applications across the globe including the US.

We all are already aware of the consistent growth of Apple. As a result, the need for iOS applications is rapidly increasing. We know if your concepts are clear, you will get the expected output within the deadline.

So, let’s enhance your knowledge about the most competitive programming languages.

Also when the demand for iOS apps is increasing, it generates opportunities for developers. And most importantly you must have a quality and experienced team.

Our mobile app developers in USA never disappointed any client because they are here only to deliver quality, meeting the client’s expectations.

Cross Platform Compatibility:

Being an experienced product development company we know why businesses are inclined more towards building cross-platform apps. We will study both based on their compatibility to develop cross-platform apps.

Flutter: In today’s era, the need for cross-platform applications is continuously increasing because in one-go you can have your app ready for all the operating systems.

And Flutter has the capability to develop cross-platform applications and hence most developers prefer to work with it.

Swift: The development of cross-platform applications is not possible in Swift because it allows only native iOS apps.

Type of Programming Language:

Another parameter on which we compare them is their foundation and coding.

Flutter: The concept of object-oriented programming is followed in Flutter. So, if your requirement needs OOPs solely, the technology will be fine and we are saying this as the leading Flutter development company in India.

Swift: Swift is developed using Object-Oriented Programming along with Functional elements. Hence in order to develop native applications, Swift is better.

UI Builders:

Knowing the UI builders specifically for both concepts will be important to select one of them.

Flutter: In Flutter, we get the Flutter UI toolkit to build a user interface.

Swift: In Swift, we get Swift UI to build an interactive user interface.

IDE Used:

Flutter and Swift have different working environments. Let’s compare Swift and Flutterbased on their IDE.

Flutter: Do you know which IDE is used during Flutter development? It is Visual Code, Android Studio, and IntelliJ.

Swift: The IDE in Swift is Xcode hence those who are looking to become Swift developers, should have a strong hand in Xcode.


Do you know the type of access provided by each of them? Understanding their accessibility will ease the execution.

Flutter: Flutter offers support to access external tools. Moreover, multi-threading in the technology is Async/Await + Combine/td>. Hence if the requirement needs accessing external tools, flutter will be useful.

Swift: If we go with Swift to develop an iOS app, we will get In-built accessibility for the application. Furthermore, the muti-threading in Swift is Futures + Streams. Depending on the requirement developers can decide on the technology.

Development Time:

We are a leading iOS development company in India & USA and development time matters the most because the entire budgeting is dependent on it.

If you have an idea about it, the end-to-end execution will be effective. Moreover optimized budget can be given to the clients.

Flutter: The time for the development of Flutter-based applications is quick because of its architectural approach. Hence, if you have to deliver an iOS app within a short deadline, Flutter should have opted.

Swift: If we compare it with Flutter, the development time is slower. So those who have detailed requirements for the native application Swift should be followed.

Learning Curve:

Easy technologies save developers time and they prefer to learn them in order to enhance their skill set, hence learning curve will be our next parameter to check Swift vs Flutter performance.

Flutter: As we know Flutter follows Dart language which makes learning simple. Also, the learning is easy but tougher than Swift. So if you are looking to learn Flutter, go for it without any doubt. Moreover, you can explore Top New Features and Updates You Need to Know to increase your proficiency.

Swift: The technology has detailed and clear documentation which makes the learning process quite simple and easier than Flutter. And because of these reasons, people love to become Swift experts.


Quality assurance is an integral part of any product development without which deployment will not take place. We will check the support for testing in both technologies.

Flutter: Testing in flutter can be done efficiently because it has in-built support for testing. Lots of time is saved because of this feature and companies prefer to work.

Swift: To test an iOS app developed in Swift needs native testing tools like XCTest. The ultimate aim behind testing is to develop bug-free applications. So depending on the technology testing tool can be chosen.

Application Size:

The size of the application matters the most because by doing that we get an estimation of the space required for deployment.

Flutter: The size of Flutter-based applications is large because they are developed for more than one operating system like Android, iOS, Windows, etc.

Swift: The size of the Swift application is flexible because it is dependent only on requirements. So if you need a native app dedicated to iOS only, go with Swift.


Using our best practices, we have explained the comparison between Flutter and Swift to develop iOS applications.

We have experts on both technologies hence whatever your requirement is Linearloop is the most suitable option. We offer the best quality and result-driven product.

If any question comes up after reading the blog, please feel free to get in touch. Our teams, are on their toes to assist you on priority.



Linearloop Private Limited

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