diff --git a/PixelDefinitions/params_dictionary.json b/PixelDefinitions/params_dictionary.json
index 2ae7f3c171bd..3d204f784e3e 100644
--- a/PixelDefinitions/params_dictionary.json
+++ b/PixelDefinitions/params_dictionary.json
@@ -72,5 +72,11 @@
         "type": "string",
         "description": "Source from which voice search was launched",
         "enum": ["browser", "widget"]
+    },
+    "petal": {
+        "key": "petal",
+        "type": "string",
+        "description": "Signals the pixel processing pipeline",
+        "enum": ["true"]
     }
 }
diff --git a/PixelDefinitions/pixels/subscription_pixels.json5 b/PixelDefinitions/pixels/subscription_pixels.json5
index 671038f9e972..560c015dfb43 100644
--- a/PixelDefinitions/pixels/subscription_pixels.json5
+++ b/PixelDefinitions/pixels/subscription_pixels.json5
@@ -21,5 +21,20 @@
         "suffixes": ["daily_count_short", "form_factor"],
         "parameters": ["appVersion"],
         "expires": "2026-02-01"
+    },
+    "m_privacy-pro_app_subscription_active_d": {
+        "description": "Fired once daily on app start for an active subscription",
+        "owners": ["lmac012"],
+        "triggers": ["other"],
+        "suffixes": ["form_factor"],
+        "parameters": [
+            "appVersion",
+            "petal",
+            {
+                "key": "os_version",
+                "description": "OS version of the device",
+                "type": "integer"
+            }
+        ]
     }
 }
diff --git a/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixel.kt b/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixel.kt
index 5dd45a07a1a3..8456ab943ced 100644
--- a/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixel.kt
+++ b/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixel.kt
@@ -33,7 +33,7 @@ enum class SubscriptionPixel(
     SUBSCRIPTION_ACTIVE(
         baseName = "m_privacy-pro_app_subscription_active",
         type = Daily(),
-        includedParameters = setOf(ATB, APP_VERSION),
+        includedParameters = setOf(APP_VERSION),
     ),
     OFFER_SCREEN_SHOWN(
         baseName = "m_privacy-pro_offer_screen_impression",
@@ -277,6 +277,8 @@ enum class SubscriptionPixel(
 object SubscriptionPixelParameter {
     const val ERROR_TYPE = "errorType"
     const val REASON = "reason"
+    const val OS_VERSION = "os_version"
+    const val PETAL = "petal"
 }
 
 internal val PixelType.pixelNameSuffix: String
diff --git a/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixelSender.kt b/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixelSender.kt
index 12ab196fd663..acdec4b62d1b 100644
--- a/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixelSender.kt
+++ b/subscriptions/subscriptions-impl/src/main/java/com/duckduckgo/subscriptions/impl/pixels/SubscriptionPixelSender.kt
@@ -73,7 +73,11 @@ interface SubscriptionPixelSender {
     fun reportSubscriptionActive()
     fun reportOfferScreenShown()
     fun reportOfferSubscribeClick()
-    fun reportPurchaseFailureOther(errorType: String, reason: String? = null)
+    fun reportPurchaseFailureOther(
+        errorType: String,
+        reason: String? = null,
+    )
+
     fun reportPurchaseFailureStore(errorType: String)
     fun reportPurchaseFailureBackend()
     fun reportPurchaseFailureAccountCreation()
@@ -125,7 +129,13 @@ class SubscriptionPixelSenderImpl @Inject constructor(
 ) : SubscriptionPixelSender {
 
     override fun reportSubscriptionActive() =
-        fire(SUBSCRIPTION_ACTIVE)
+        fire(
+            SUBSCRIPTION_ACTIVE,
+            mapOf(
+                SubscriptionPixelParameter.OS_VERSION to appBuildConfig.sdkInt.toString(),
+                SubscriptionPixelParameter.PETAL to "true",
+            ),
+        )
 
     override fun reportOfferScreenShown() =
         fire(OFFER_SCREEN_SHOWN)
@@ -133,7 +143,10 @@ class SubscriptionPixelSenderImpl @Inject constructor(
     override fun reportOfferSubscribeClick() =
         fire(OFFER_SUBSCRIBE_CLICK)
 
-    override fun reportPurchaseFailureOther(errorType: String, reason: String?) =
+    override fun reportPurchaseFailureOther(
+        errorType: String,
+        reason: String?,
+    ) =
         fire(
             PURCHASE_FAILURE_OTHER,
             mapOf(
@@ -286,7 +299,10 @@ class SubscriptionPixelSenderImpl @Inject constructor(
         fire(AUTH_V1_SIGN_IN_ATTEMPT)
     }
 
-    private fun fire(pixel: SubscriptionPixel, params: Map<String, String> = emptyMap()) {
+    private fun fire(
+        pixel: SubscriptionPixel,
+        params: Map<String, String> = emptyMap(),
+    ) {
         pixel.getPixelNames().forEach { (pixelType, pixelName) ->
             pixelSender.fire(pixelName = pixelName, type = pixelType, parameters = params)
         }