App Development

Swift vs DART: A Sleek Comparison

July 06, 2021
iOS Developers use Swift or DART for iOS app development voraciously. Flutter vs. Swift has been in contention for quite some time; check the appropriateness of each one here!


  • DART is the building block of Google’s Flutter framework. It accentuates beautiful native apps from a single codebase.
  • Swift is Apple’s SDK that is functional across iOS, macOS, tvOS and watchOS.

Comparison:  Swift vs DART

Both Swift and DART differ drastically. (1) Variables, (2) Type Inference, (3) Mutable/Immutable variables, (4) Functions, (5) Named parameters, (6) Nameless parameters (7) Optional and (8) Default parameters, (9) Closures, Tuples, (10) Control Flow, (11) Collections (arrays, sets, maps), (12) Nullability and Optionals, (13) Classes, (14) Inheritance, (15) Properties, (16) Protocols and Abstract Classes, (17) Mixins, Extensions, (18) Enums, (19) Structs, (20) Error Handling, (21) Generics, (22) Access Control, (23) Asynchronous Programming Futures, (24) Asynchronous Programming Streams, (25) Memory Management, (26) Compilation and Execution, but these still have some attributes in common. iOS development starts with an onboarding process. It involves installing an IDE (Integrated development environment) program that provides an SDK (software development kit) to begin coding.

Tools and Configuration

Swift requires installing XCode on macOS devices. DART requires XCode and IDE like Intellij IDEA or Android Studio and a MAC device to make a DART binary. Both DART and Swift are pretty easy to configure.


DART and Swift use different testing techniques – (1) DART creates many test types, including UI and functional level tests. (2) Swift has its testing framework – XCTest allowing testing UI modules, integration, performance etc.

Build Time

Builds are either clean or incremental. It differs in Swift or DART Developers focus on adding new features to the system with improvement in build-time. It is better to use XCode to develop native iOS apps used in both DART and Swift.


Swift and Kotlin have always been faster in building native apps. But currently, additional DART takes less time as the framework speeds up after the initial clean build.

App Reloading

iOS apps require reloading and testing with a simulator. Developers evaluate code and analyze the changes that influence the app. DART utilizes hot reload functionality. In Swift development, altering one feature requires renaming the interface part and rebuilding native code to test if the change is reflected within the app when running it on a simulator or a device. SwiftUI allows hot reloads and non-native solutions like Injectionlll for adding new functionalities.


iOS app development requires integration via the Codemagic CI/CD tool to speed up app creation. Swift apps use macOS devices with XCode, XServer or Jenkins to integrate regularly.


Accessibility is more important to Swift than DART as IOS native owns UIKit that has this feature. DART documentation recommends using XCode Accessibility Inspector.

App Size

If the size of the app is pertinent, native iOS developers should go for Swift development as DART iOS apps are massive.

Conclusion: Is Dart better than Swift?

Selecting – Flutter (DART) or Native Programming Language (Swift) is a matter of – choice or the goal that your business wishes to accomplish. Native solutions set an array of advantages, but DART suits you well if you seek cross-platform app development. Flutter (DART) is occasionally used and is simultaneously becoming popular. These are just the various ways of developing iOS applications. Competent methods – technologies – ‘programming languages’ are coming up with their dependencies and becoming apt due to project requirements – time, size, and budget.

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