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Dart vs Kotlin: catalog facts
Dart	Kotlin
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Sound null safety and modern language features Language used by Flutter	Null safety and concise syntax Targets JVM, Android, web and native through multiplatform
Ecosystem is centred on Flutter, with less use elsewhere	Best tooling experience is tied to JetBrains IDEs Multiplatform setups add build complexity
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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