diff --git a/native/android/app/src/cpp/PlatformSpecificTools.cpp b/native/android/app/src/cpp/PlatformSpecificTools.cpp
--- a/native/android/app/src/cpp/PlatformSpecificTools.cpp
+++ b/native/android/app/src/cpp/PlatformSpecificTools.cpp
@@ -33,4 +33,8 @@
   buffer = PlatformSpecificToolsJavaClass::generateSecureRandomBytes(size);
 }
 
+std::string PlatformSpecificTools::getDeviceOS() {
+  return std::string{"android"};
+}
+
 } // namespace comm
diff --git a/native/cpp/CommonCpp/Tools/PlatformSpecificTools.h b/native/cpp/CommonCpp/Tools/PlatformSpecificTools.h
--- a/native/cpp/CommonCpp/Tools/PlatformSpecificTools.h
+++ b/native/cpp/CommonCpp/Tools/PlatformSpecificTools.h
@@ -7,6 +7,7 @@
 class PlatformSpecificTools {
 public:
   static void generateSecureRandomBytes(crypto::OlmBuffer &buffer, size_t size);
+  static std::string getDeviceOS();
 };
 
 } // namespace comm
diff --git a/native/ios/Comm/PlatformSpecificTools.mm b/native/ios/Comm/PlatformSpecificTools.mm
--- a/native/ios/Comm/PlatformSpecificTools.mm
+++ b/native/ios/Comm/PlatformSpecificTools.mm
@@ -19,4 +19,8 @@
   }
 }
 
+std::string PlatformSpecificTools::getDeviceOS() {
+  return std::string{"ios"};
+}
+
 };