Why Kotlin?

Kotlin is an expressive and concise programming language that reduces common code errors and easily integrates into existing apps. If you’re looking to build an Android app, we recommend starting with Kotlin to take advantage of its best-in-class features.

Build for Quality

80% of the top 1,000 Android apps contain Kotlin code. In fact, Android development is Kotlin-first.
  • Concise

    You can do more with less. Express your ideas and reduce the amount of boilerplate code. 67% of professional developers who use Kotlin say Kotlin has increased their productivity.
  • Safer

    Kotlin has many language features to help you avoid common programming mistakes. Android apps that contain Kotlin code are 20% less likely to crash.
  • Interoperable

    Call Java-based code from Kotlin, or call Kotlin from Java-based code. Kotlin is 100% interoperable with the Java programming language, so you can have as little or as much of it in your project as you want.
  • Structured

    Kotlin coroutines make asynchronous code as easy to work with as blocking code. Coroutines dramatically simplify background task management for everything from network calls to accessing local data.


See what companies think about Kotlin.
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Having less code is good for reducing errors and lowering maintenance costs. Therefore, we care a lot that Kotlin allows us to write more succinct code and reduce boilerplate.

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Senior Software Engineer

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