diff --git a/flow/ui/android/application.rb b/flow/ui/android/application.rb
index 860e306..bd95668 100644
--- a/flow/ui/android/application.rb
+++ b/flow/ui/android/application.rb
@@ -29,4 +29,12 @@ def proxy
       frame_layout
     end
   end
+
+  def version_number
+    UI.context.applicationContext.packageManager.getPackageInfo(UI.context.applicationContext.packageName, 0).versionName
+  end
+
+  def build_number
+    UI.context.applicationContext.packageManager.getPackageInfo(UI.context.applicationContext.packageName, 0).versionCode
+  end
 end
diff --git a/flow/ui/cocoa/application.rb b/flow/ui/cocoa/application.rb
index d60dd10..c49bf5b 100644
--- a/flow/ui/cocoa/application.rb
+++ b/flow/ui/cocoa/application.rb
@@ -22,5 +22,13 @@ def start
     def proxy
       @proxy ||= UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds)
     end
+
+    def version_number
+      NSBundle.mainBundle.objectForInfoDictionaryKey('CFBundleShortVersionString')
+    end
+
+    def build_number
+      NSBundle.mainBundle.objectForInfoDictionaryKey('CFBundleVersion')
+    end
   end
 end