---
title: SDK
description: Native Android and iOS libraries you link into your app to expose Extentos smart-glasses capabilities over a shared Rust core. Android and iOS both published.
type: overview
platform: all
related:
  - /docs/sdk/android
  - /docs/sdk/ios
  - /docs/concepts/architecture
---

The SDK is what your app links against. It is a thin Kotlin/Swift shell over a shared Rust core, so both platforms run the same runtime, the same protocol handling, and the same event vocabulary — only the platform shell differs.

Pick the platform you're building on:

- [Android SDK](/docs/sdk/android) — Gradle artifact on Maven Central, Kotlin + coroutines, Android 12+ (API 31)
- [iOS SDK](/docs/sdk/ios) — Swift Package from `github.com/extentos/swift-glasses`, iOS 16.0+

## Source

- **Android:** [`com.extentos:glasses` on Maven Central](https://central.sonatype.com/artifact/com.extentos/glasses)
- **iOS:** Swift package from [`github.com/extentos/swift-glasses`](https://github.com/extentos/swift-glasses) (see [install](/docs/sdk/ios/install))