diff --git a/androidApp/build.gradle.kts b/androidApp/build.gradle.kts
index 399158200..c82fed1d0 100644
--- a/androidApp/build.gradle.kts
+++ b/androidApp/build.gradle.kts
@@ -47,4 +47,6 @@ dependencies {
     implementation(libs.material3)
     implementation(libs.material3.windowsize)
     implementation(libs.androidx.activity.compose)
+    implementation(libs.koin.core)
+    implementation(libs.koin.android)
 }
\ No newline at end of file
diff --git a/androidApp/src/main/AndroidManifest.xml b/androidApp/src/main/AndroidManifest.xml
index 22d1facc8..3426884c5 100644
--- a/androidApp/src/main/AndroidManifest.xml
+++ b/androidApp/src/main/AndroidManifest.xml
@@ -2,6 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <application
+        android:name=".MainApplication"
         android:allowBackup="false"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
diff --git a/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/MainActivity.kt b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/MainActivity.kt
index 1662ff4fb..7df94ff0c 100644
--- a/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/MainActivity.kt
+++ b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/MainActivity.kt
@@ -6,14 +6,14 @@ import androidx.activity.compose.setContent
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
-import com.github.diegoberaldin.raccoonforlemmy.Greeting
+import com.github.diegoberaldin.raccoonforlemmy.android.presentation.GreetPresenter
+import com.github.diegoberaldin.raccoonforlemmy.android.ui.GreetingView
 import com.github.diegoberaldin.raccoonforlemmy.android.ui.theme.AppTheme
+import org.koin.android.ext.android.inject
 
 class MainActivity : ComponentActivity() {
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContent {
@@ -22,22 +22,10 @@ class MainActivity : ComponentActivity() {
                     modifier = Modifier.fillMaxSize(),
                     color = MaterialTheme.colorScheme.background
                 ) {
-                    GreetingView(Greeting().greet())
+                    val presenter: GreetPresenter by inject()
+                    GreetingView(presenter)
                 }
             }
         }
     }
 }
-
-@Composable
-fun GreetingView(text: String) {
-    Text(text = text)
-}
-
-@Preview
-@Composable
-fun DefaultPreview() {
-    AppTheme {
-        GreetingView("Hello, Android!")
-    }
-}
diff --git a/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/MainApplication.kt b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/MainApplication.kt
new file mode 100644
index 000000000..0cd08671e
--- /dev/null
+++ b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/MainApplication.kt
@@ -0,0 +1,22 @@
+package com.github.diegoberaldin.raccoonforlemmy.android
+
+import android.app.Application
+import com.github.diegoberaldin.raccoonforlemmy.android.di.androidModule
+import com.github.diegoberaldin.raccoonforlemmy.di.appModule
+import org.koin.android.ext.koin.androidContext
+import org.koin.android.ext.koin.androidLogger
+import org.koin.core.context.startKoin
+
+class MainApplication : Application() {
+    override fun onCreate() {
+        super.onCreate()
+
+        startKoin {
+            androidContext(this@MainApplication)
+            androidLogger()
+            modules(
+                appModule() + androidModule,
+            )
+        }
+    }
+}
\ No newline at end of file
diff --git a/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/di/AndroidModule.kt b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/di/AndroidModule.kt
new file mode 100644
index 000000000..7c419ca14
--- /dev/null
+++ b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/di/AndroidModule.kt
@@ -0,0 +1,9 @@
+package com.github.diegoberaldin.raccoonforlemmy.android.di
+
+import com.github.diegoberaldin.raccoonforlemmy.android.presentation.GreetPresenter
+import org.koin.core.module.dsl.singleOf
+import org.koin.dsl.module
+
+val androidModule = module {
+    singleOf(::GreetPresenter)
+}
\ No newline at end of file
diff --git a/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/presentation/GreetPresenter.kt b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/presentation/GreetPresenter.kt
new file mode 100644
index 000000000..af5355e16
--- /dev/null
+++ b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/presentation/GreetPresenter.kt
@@ -0,0 +1,10 @@
+package com.github.diegoberaldin.raccoonforlemmy.android.presentation
+
+import com.github.diegoberaldin.raccoonforlemmy.Greeting
+
+class GreetPresenter(
+    private val greeting: Greeting,
+) {
+
+    fun print() = greeting.greet()
+}
\ No newline at end of file
diff --git a/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/ui/GreetingView.kt b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/ui/GreetingView.kt
new file mode 100644
index 000000000..711ad30a1
--- /dev/null
+++ b/androidApp/src/main/java/com/github/diegoberaldin/raccoonforlemmy/android/ui/GreetingView.kt
@@ -0,0 +1,11 @@
+package com.github.diegoberaldin.raccoonforlemmy.android.ui
+
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import com.github.diegoberaldin.raccoonforlemmy.android.presentation.GreetPresenter
+
+@Composable
+fun GreetingView(presenter: GreetPresenter) {
+    val text = presenter.print()
+    Text(text = text)
+}
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d51ae034c..a5c5a2f3f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,17 +2,23 @@
 androidx_activity_compose = "1.7.2"
 android_gradle = "7.4.2"
 compose = "1.4.3"
+koin = "3.2.0"
 kotlin = "1.8.22"
 material3 = "1.1.1"
 
 [libraries]
 
 androidx_activity_compose = { module = "androidx.activity:activity-compose", version.ref = "androidx.activity.compose" }
+
 compose_ui = { module = "androidx.compose.ui:ui", version.ref = "compose" }
 compose_tooling = { module = "androidx.compose.ui:ui-tooling", version.ref = "compose" }
 compose_preview = { module = "androidx.compose.ui:ui-tooling-preview", version.ref = "compose" }
 compose_foundation = { module = "androidx.compose.foundation:foundation", version.ref = "compose" }
 
+koin_core = { module = "io.insert-koin:koin-core", version.ref = "koin" }
+koin_test = { module = "io.insert-koin:koin-test", version.ref = "koin" }
+koin_android = { module = "io.insert-koin:koin-android", version.ref = "koin" }
+
 material3 = { module = "androidx.compose.material3:material3", version.ref = "material3" }
 material3_windowsize = { module = "androidx.compose.material3:material3-window-size-class", version.ref = "material3" }
 
diff --git a/iosApp/iosApp/ContentView.swift b/iosApp/iosApp/ContentView.swift
index 6a15a0953..44ea06b82 100644
--- a/iosApp/iosApp/ContentView.swift
+++ b/iosApp/iosApp/ContentView.swift
@@ -2,7 +2,7 @@ import SwiftUI
 import shared
 
 struct ContentView: View {
-	let greet = Greeting().greet()
+	let greet = GreetingHelper().greet()
 
 	var body: some View {
 		Text(greet)
diff --git a/iosApp/iosApp/iOSApp.swift b/iosApp/iosApp/iOSApp.swift
index 0648e8602..4bc560ea7 100644
--- a/iosApp/iosApp/iOSApp.swift
+++ b/iosApp/iosApp/iOSApp.swift
@@ -2,6 +2,11 @@ import SwiftUI
 
 @main
 struct iOSApp: App {
+
+    init() {
+        HelperKt.doInitKoin()
+    }
+
 	var body: some Scene {
 		WindowGroup {
 			ContentView()
diff --git a/shared/build.gradle.kts b/shared/build.gradle.kts
index 5b5c9e62b..65503e22f 100644
--- a/shared/build.gradle.kts
+++ b/shared/build.gradle.kts
@@ -23,7 +23,12 @@ kotlin {
     }
 
     sourceSets {
-        val commonMain by getting
+        val commonMain by getting {
+            dependencies {
+                api(libs.koin.core)
+                api(libs.koin.test)
+            }
+        }
         val commonTest by getting {
             dependencies {
                 implementation(kotlin("test"))
diff --git a/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/Greeting.kt b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/Greeting.kt
index 2a36946a5..46508a0ae 100644
--- a/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/Greeting.kt
+++ b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/Greeting.kt
@@ -1,7 +1,8 @@
 package com.github.diegoberaldin.raccoonforlemmy
 
-class Greeting {
-    private val platform: Platform = getPlatform()
+class Greeting(
+    private val platform: Platform,
+) {
 
     fun greet(): String {
         return "Hello, ${platform.name}!"
diff --git a/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/AppModule.kt b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/AppModule.kt
new file mode 100644
index 000000000..1137dae7b
--- /dev/null
+++ b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/AppModule.kt
@@ -0,0 +1,3 @@
+package com.github.diegoberaldin.raccoonforlemmy.di
+
+fun appModule() = listOf(commonModule, platformModule)
diff --git a/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/CommonModule.kt b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/CommonModule.kt
new file mode 100644
index 000000000..c40993cb3
--- /dev/null
+++ b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/CommonModule.kt
@@ -0,0 +1,9 @@
+package com.github.diegoberaldin.raccoonforlemmy.di
+
+import com.github.diegoberaldin.raccoonforlemmy.Greeting
+import org.koin.core.module.dsl.singleOf
+import org.koin.dsl.module
+
+val commonModule = module {
+    singleOf(::Greeting)
+}
diff --git a/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/PlatformModule.kt b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/PlatformModule.kt
new file mode 100644
index 000000000..b279d8b58
--- /dev/null
+++ b/shared/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/PlatformModule.kt
@@ -0,0 +1,9 @@
+package com.github.diegoberaldin.raccoonforlemmy.di
+
+import com.github.diegoberaldin.raccoonforlemmy.getPlatform
+import org.koin.core.module.dsl.singleOf
+import org.koin.dsl.module
+
+val platformModule = module {
+    singleOf(::getPlatform)
+}
diff --git a/shared/src/iosMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/Helper.kt b/shared/src/iosMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/Helper.kt
new file mode 100644
index 000000000..e0a2fea52
--- /dev/null
+++ b/shared/src/iosMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/Helper.kt
@@ -0,0 +1,17 @@
+package com.github.diegoberaldin.raccoonforlemmy
+
+import com.github.diegoberaldin.raccoonforlemmy.di.appModule
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
+import org.koin.core.context.startKoin
+
+class GreetingHelper : KoinComponent {
+    private val greeting: Greeting by inject()
+    fun greet(): String = greeting.greet()
+}
+
+fun initKoin() {
+    startKoin {
+        modules(appModule())
+    }
+}
\ No newline at end of file