diff --git a/lib/sim_launcher/simulator.rb b/lib/sim_launcher/simulator.rb
index c7913f5..49c9ec7 100644
--- a/lib/sim_launcher/simulator.rb
+++ b/lib/sim_launcher/simulator.rb
@@ -9,6 +9,28 @@ def showsdks
     run_synchronous_command( 'showsdks' )
   end
 
+  def start_simulator(sdk_version=nil, device_family="iphone")
+    sdk_version ||= SdkDetector.new(self).latest_sdk_version
+    run_synchronous_command( :start, '--sdk', sdk_version, '--family', device_family, '--exit' )
+  end
+
+  def reset(sdks=nil)
+    script_dir = File.join(File.dirname(__FILE__),"..","..","scripts")
+    reset_script = File.expand_path("#{script_dir}/reset_simulator.applescript")
+
+    sdks ||= SimLauncher::SdkDetector.new(self).available_sdk_versions
+
+    sdks.each do |sdk_path_str|
+      start_simulator(sdk_path_str,"iphone")
+      system("osascript #{reset_script}")
+      start_simulator(sdk_path_str,"ipad")
+      system("osascript #{reset_script}")
+    end
+
+    quit_simulator
+
+  end
+
   def launch_ios_app(app_path, sdk_version, device_family, app_args = nil)
     if problem = SimLauncher.check_app_path( app_path )
       bangs = '!'*80
diff --git a/lib/sim_launcher/version.rb b/lib/sim_launcher/version.rb
index 25cc554..57606b2 100644
--- a/lib/sim_launcher/version.rb
+++ b/lib/sim_launcher/version.rb
@@ -1,3 +1,3 @@
 module SimLauncher
-  VERSION = "0.4.6"
+  VERSION = "0.4.7"
 end
diff --git a/native/ios-sim b/native/ios-sim
index 7068d8c..8b33992 100755
Binary files a/native/ios-sim and b/native/ios-sim differ
diff --git a/scripts/reset_simulator.applescript b/scripts/reset_simulator.applescript
new file mode 100644
index 0000000..11b0632
--- /dev/null
+++ b/scripts/reset_simulator.applescript
@@ -0,0 +1,18 @@
+tell application "System Events"
+	
+	tell process "iPhone Simulator"
+		
+		tell menu bar 1
+			tell menu bar item "iOs Simulator"
+				tell menu "iOs Simulator"
+					click menu item "Reset Content and SettingsÉ"
+				end tell
+			end tell
+		end tell
+		delay 1
+		perform action "AXRaise" of window 1
+		tell window 1
+			click button "Reset"
+		end tell
+	end tell
+end tell
\ No newline at end of file