diff --git a/data/build.gradle b/data/build.gradle
index e023ae7a..d4803080 100644
--- a/data/build.gradle
+++ b/data/build.gradle
@@ -82,6 +82,7 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-rx2:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-reactive:$coroutines_version"
 
+    implementation 'com.android.installreferrer:installreferrer:1.1'
     implementation 'com.callcontrol:datashare:1.2.0'
     implementation "com.f2prateek.rx.preferences2:rx-preferences:$rx_preferences_version"
     implementation "com.jakewharton.timber:timber:$timber_version"
diff --git a/data/src/main/java/com/moez/QKSMS/manager/ReferralManagerImpl.kt b/data/src/main/java/com/moez/QKSMS/manager/ReferralManagerImpl.kt
new file mode 100644
index 00000000..4446d674
--- /dev/null
+++ b/data/src/main/java/com/moez/QKSMS/manager/ReferralManagerImpl.kt
@@ -0,0 +1,57 @@
+package com.moez.QKSMS.manager
+
+import android.content.Context
+import com.android.installreferrer.api.InstallReferrerClient
+import com.android.installreferrer.api.InstallReferrerStateListener
+import com.moez.QKSMS.util.Preferences
+import kotlinx.coroutines.suspendCancellableCoroutine
+import javax.inject.Inject
+import kotlin.coroutines.resume
+
+class ReferralManagerImpl @Inject constructor(
+    private val analytics: AnalyticsManager,
+    private val context: Context,
+    private val prefs: Preferences
+) : ReferralManager {
+
+    override suspend fun trackReferrer() {
+        if (prefs.didSetReferrer.get()) {
+            return
+        }
+
+        context.packageManager.getInstallerPackageName(context.packageName)?.let { installer ->
+            analytics.setUserProperty("Installer", installer)
+        }
+
+        val referrerClient = InstallReferrerClient.newBuilder(context).build()
+        val responseCode = suspendCancellableCoroutine<Int> { cont ->
+            referrerClient.startConnection(object : InstallReferrerStateListener {
+                override fun onInstallReferrerSetupFinished(responseCode: Int) {
+                    cont.resume(responseCode)
+                }
+
+                override fun onInstallReferrerServiceDisconnected() {
+                    cont.resume(InstallReferrerClient.InstallReferrerResponse.SERVICE_DISCONNECTED)
+                }
+            })
+
+            cont.invokeOnCancellation {
+                referrerClient.endConnection()
+            }
+        }
+
+        when (responseCode) {
+            InstallReferrerClient.InstallReferrerResponse.OK -> {
+                analytics.setUserProperty("Referrer", referrerClient.installReferrer.installReferrer)
+                prefs.didSetReferrer.set(true)
+            }
+
+            InstallReferrerClient.InstallReferrerResponse.FEATURE_NOT_SUPPORTED -> {
+                prefs.didSetReferrer.set(true)
+            }
+        }
+
+        referrerClient.endConnection()
+    }
+
+}
diff --git a/domain/src/main/java/com/moez/QKSMS/manager/ReferralManager.kt b/domain/src/main/java/com/moez/QKSMS/manager/ReferralManager.kt
new file mode 100644
index 00000000..30bcfff4
--- /dev/null
+++ b/domain/src/main/java/com/moez/QKSMS/manager/ReferralManager.kt
@@ -0,0 +1,7 @@
+package com.moez.QKSMS.manager
+
+interface ReferralManager {
+
+    suspend fun trackReferrer()
+
+}
diff --git a/domain/src/main/java/com/moez/QKSMS/util/Preferences.kt b/domain/src/main/java/com/moez/QKSMS/util/Preferences.kt
index f21adcc9..dbb79612 100644
--- a/domain/src/main/java/com/moez/QKSMS/util/Preferences.kt
+++ b/domain/src/main/java/com/moez/QKSMS/util/Preferences.kt
@@ -75,6 +75,7 @@ class Preferences @Inject constructor(
     }
 
     // Internal
+    val didSetReferrer = rxPrefs.getBoolean("didSetReferrer", false)
     val night = rxPrefs.getBoolean("night", false)
     val canUseSubId = rxPrefs.getBoolean("canUseSubId", true)
     val version = rxPrefs.getInteger("version", context.versionCode)
diff --git a/presentation/src/main/java/com/moez/QKSMS/common/QKApplication.kt b/presentation/src/main/java/com/moez/QKSMS/common/QKApplication.kt
index 57208769..723a8b4f 100644
--- a/presentation/src/main/java/com/moez/QKSMS/common/QKApplication.kt
+++ b/presentation/src/main/java/com/moez/QKSMS/common/QKApplication.kt
@@ -31,6 +31,7 @@ import com.moez.QKSMS.common.util.FileLoggingTree
 import com.moez.QKSMS.injection.AppComponentManager
 import com.moez.QKSMS.injection.appComponent
 import com.moez.QKSMS.manager.AnalyticsManager
+import com.moez.QKSMS.manager.ReferralManager
 import com.moez.QKSMS.migration.QkMigration
 import com.moez.QKSMS.migration.QkRealmMigration
 import com.moez.QKSMS.util.NightModeManager
@@ -43,6 +44,9 @@ import dagger.android.HasBroadcastReceiverInjector
 import dagger.android.HasServiceInjector
 import io.realm.Realm
 import io.realm.RealmConfiguration
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -62,6 +66,7 @@ class QKApplication : Application(), HasActivityInjector, HasBroadcastReceiverIn
     @Inject lateinit var fileLoggingTree: FileLoggingTree
     @Inject lateinit var nightModeManager: NightModeManager
     @Inject lateinit var realmMigration: QkRealmMigration
+    @Inject lateinit var referralManager: ReferralManager
 
     override fun onCreate() {
         super.onCreate()
@@ -76,8 +81,8 @@ class QKApplication : Application(), HasActivityInjector, HasBroadcastReceiverIn
                 .schemaVersion(QkRealmMigration.SchemaVersion)
                 .build())
 
-        packageManager.getInstallerPackageName(packageName)?.let { installer ->
-            analyticsManager.setUserProperty("Installer", installer)
+        GlobalScope.launch(Dispatchers.IO) {
+            referralManager.trackReferrer()
         }
 
         nightModeManager.updateCurrentTheme()
diff --git a/presentation/src/main/java/com/moez/QKSMS/injection/AppModule.kt b/presentation/src/main/java/com/moez/QKSMS/injection/AppModule.kt
index ee8e75b5..0350da76 100644
--- a/presentation/src/main/java/com/moez/QKSMS/injection/AppModule.kt
+++ b/presentation/src/main/java/com/moez/QKSMS/injection/AppModule.kt
@@ -48,6 +48,8 @@ import com.moez.QKSMS.manager.NotificationManager
 import com.moez.QKSMS.manager.PermissionManager
 import com.moez.QKSMS.manager.PermissionManagerImpl
 import com.moez.QKSMS.manager.RatingManager
+import com.moez.QKSMS.manager.ReferralManager
+import com.moez.QKSMS.manager.ReferralManagerImpl
 import com.moez.QKSMS.manager.ShortcutManager
 import com.moez.QKSMS.manager.WidgetManager
 import com.moez.QKSMS.manager.WidgetManagerImpl
@@ -160,6 +162,9 @@ class AppModule(private var application: Application) {
     @Provides
     fun provideShortcutManager(manager: ShortcutManagerImpl): ShortcutManager = manager
 
+    @Provides
+    fun provideReferralManager(manager: ReferralManagerImpl): ReferralManager = manager
+
     @Provides
     fun provideWidgetManager(manager: WidgetManagerImpl): WidgetManager = manager