Parameters Flutter Kotlin
Developed By Google in May 2017 JetBrains in July 2011
GitHub Statistics 152K Stars, 25.2K Forks 44.5K stars, 5.5K Forks
Supported Platforms Android, iOS, Google Fuchsia, Web, Linux, macOS, Windows Android, JVM, iOS, macOS, Windows, Linux, JavaScript, WebAssembly
Performance Fast performance owing to Hot Reload Slow compilation but efficient and secure performance
Popularity Great Fair
UI Experience Unmatchable customizing features Native app experience
Testing Support In-built widgets for testing Unit Testing
Integration Need third-party integrations Doesn’t need third-party integrations
Component Library Big and quickly growing Small and rapidly growing
Job Opportunities Rising demand High in demand
Documentation Well Structured & Organized Well Structured & Organized
Language Dart Kotlin
Community Support Rapidly growing and supportive community Gradually evolving and active community
Learning Curve Easy to learn Very easy to learn
Hot Reload Supported Not supported
Pricing Open-source Open-source
User Friendliness Great Fair
Used by Groupon, Square, Tencent, The New York Times, Alibaba, eBay, EMR, etc. Coursera, Uber, Postmates, Pinterest, Evernote, and more.