Kotlin Development
Kotlin is a modern, concise programming language from JetBrains that runs on the JVM and is Google's preferred language for Android development. It's fully interoperable with Java, adds null-safety and expressive syntax, and reduces boilerplate significantly.
At a glance
- Created by
- JetBrains
- First released
- 2011
- Language
- Kotlin
- Type
- Programming language
- License
- Apache 2.0
What is Kotlin?
Beyond Android, Kotlin is used for server-side development and, via Kotlin Multiplatform, for sharing code across platforms. Its safety features and clean syntax make it a productive, reliable choice for building robust native apps.
Why teams choose Kotlin
Google's official, preferred language for Android
Concise, expressive syntax with less boilerplate
Null-safety that prevents a whole class of crashes
Fully interoperable with existing Java code
Kotlin Multiplatform can share logic across platforms
When to use Kotlin
- Native Android apps built for the best platform experience
- Modernizing or extending existing Java/Android codebases
- Apps that value reliability and maintainability
- Sharing business logic across platforms via Multiplatform
Things to consider
- Native Android means a separate iOS codebase unless using Multiplatform
- Smaller talent pool than JavaScript for cross-platform work
- Best value is on the JVM/Android rather than general web
What we build with Kotlin
Native Android apps
High-quality Android apps with the best platform integration.
Java modernization
Adding Kotlin to existing Java and Android projects.
Backend services
JVM backends using Kotlin with frameworks like Spring.
Shared logic (KMP)
Business logic shared across Android and iOS via Multiplatform.
Products & companies built with Kotlin
Kotlin is trusted in production by well-known companies, including:
Kotlin works well with
Kotlin — frequently asked questions
What is Kotlin used for?
Kotlin is used primarily for native Android app development, and also for server-side JVM applications and cross-platform code sharing. Google recommends it as the preferred language for Android.
Is Kotlin better than Java for Android?
For most new Android projects, yes. Kotlin is more concise, adds null-safety to prevent common crashes, and interoperates fully with Java, so teams can adopt it gradually. Google now recommends Kotlin-first for Android.
Can Kotlin build iOS apps?
Through Kotlin Multiplatform, you can share business logic across Android and iOS while keeping native UIs. Kotlin alone targets the JVM/Android; Multiplatform extends its reach to other platforms.
What apps use Kotlin?
Kotlin is used by Google, Pinterest, Uber, Trello, Coursera, and Netflix for their Android apps and backends.
Related mobile technologies
Building with Kotlin?
CodersArts Build ships production Kotlin projects on a fixed scope, price, and timeline — with full source-code ownership on handover.