Flutter Pros and Cons: Is It Relevant to Choose in 2025? | OS-System

### Limited Adoption of Dart Dart, the language in which Flutter applications are coded, is less adopted compared to JavaScript, Swift, or Kotlin. Even though it is relatively easy to master for professional object-oriented programming programmers, it does not possess any gigantic ecosystem and developer population similar to more popular languages. This makes the process of recruiting experienced Flutter developers complex and can involve retraining existing teams in moving to Flutter development. Due to fewer learning resources and community solutions, debugging complex issues may be more time-consuming compared to popular languages. … ### iOS-Specific Issues Flutter is backed by Google, and although it strives to deliver the same performance on both iOS and Android, there are occasional compatibility issues on Apple devices. Push notifications, background task running, and in-app purchases may require additional native code or third-party packages to function flawlessly on iOS. Apple’s strict App Store guidelines and frequent iOS updates also occasionally prevent Flutter-based apps from updating at the same rate as new system features. Developers will have to put extra effort into becoming iOS-compatible and face some unforeseen issues resulting from developments in Apple’s environment. ### Incomplete Third-Party Library Support As much as the Flutter ecosystem expands, it is still not as extensive in terms of third-party library support as other native development environments. Most of the widely used SDKs and APIs that have been built for Android (Java/Kotlin) and iOS (Swift/Objective-C) are not directly supported by Flutter. In this case, the developers may need to create platform-specific custom code (via platform channels) in order to access certain features, and hence, the development time and effort are higher. Even though Flutter is improving here, there could be certain specialized or niche libraries that do not exist. ### Higher Resource Consumption Flutter apps consume more CPU and memory than their native counterparts. The framework’s custom rendering engine maintains high performance at the expense of greater processor power usage. This may translate into more battery use, especially on lower-performing or older devices. Heavy-computation-load applications such as real-time video processing, games, or AR applications are plagued by performance delays compared to an entirely native approach. App optimization for resource constraints to prevent high usage is crucial for app developers. ### Slowed Adoption of New Platform Features When Google or Apple launches new OS updates, native developers are able to use the fresh features and design concepts directly. Flutter, on the other hand, typically takes some time to integrate these fresh features into its system. This means that Flutter developers may have to wait for delayed access to fresh platform features, such as new: - UI elements - APIs - Ssystem-wide features. In fast-paced industries that rely on the latest mobile innovations, this delay can prove to be a drawback. ### Not Suitable for Ultra-Lightweight Apps If your aim is to create an ultra-lightweight app with very low storage usage and almost instant load times, Flutter may not be the ideal choice. Although it offers great performance, the presence of its own rendering engine and framework components leads to a larger file size compared to natively built apps. For single-function apps, business apps, or small utility apps, native development or lighter frameworks such as SwiftUI (for iOS) or Jetpack Compose (for Android) may be more efficient.