Kotlin Programming Language

In-app purchases
5K+
Downloads
Content rating
Everyone
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About this app

A Beautiful and clean app that provides you with complete documentation of Kotlin Programming Language. Use this app to master Kotlin, from start to finish. It is completely offline. Just install and start learning.

With the full edition you can write and compile kotlin code inside the app. You write with synatx highlighter and auto-completions. You can create multiple files. Compilation is super-fast, taking seconds. You do all these without leaving the app.

Kotlin is a modern programming language that makes developers happier. It was developed by Jetbrains and Open-source Contributors. You can use Kotlin to create all kinds of applications such as Android apps, Multiplatform app, server-side apps, web frontends etc.

It is a concise, safe, expressive, asynchronous and interoperable programming language. It is also ideal for tests.

Here are why you should use this app over websites,other apps or PDF:

1. In Depth - App contains complete documentation to Kotlin, including articles on Kotlin Native, Kotlin Coroutines, Kotlin for JavaScript, Kotlin Multiplatform etc.
2. Lightweight App and Pages - App does not contain unnecessary pages or features that waste you time. It is minimalistic. There is no setup or registration required to use this app.
3. Offline app. No bandwith or internet needed.
4. Easy Navigation - We use beautiful expandable navigation drawer. Content is rendered in order.
5. Bookmark articles. You can bookmark articles you are reading so that you can continue the next time you use the app again.

The app itself is written in Kotlin.
Updated on
Apr 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity and Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

What’s new

BIG UPDATE: App completely rewritten, modernized. Elegant UI redesign. In-app content translation added. Content updated. New features added such as favorites, recently read, dark mode. Better categorization of content. Easier to use and more customizable. Please updated to this version. APK size significantly reduced. Thanks for using our app.