Notifications when non-Hub SmartPlug is offline?

[JDRoberts]

Do you have a Samsung smartthings hub, and if so which model?

If you don’t have a Samsung smartthings hub do you at least have a Samsung SmartThings account?

Simple device viewer probably already does what you want as it tracks activity of the device, and I believe it works for Wi-Fi devices as well, as long as they are part of your Samsung smartthings account.

[OBSOLETE] Simple Device Viewer

I won’t be porting this SmartApp so it will stop working when the Groovy platform is retired. Allows you to easily see a list of information about your devices like battery percentages, temperatures, how long since last event, switch state, etc. Receive Push and/or SMS notifications based on temperature, battery level, and/or time since last event. New Dashboard Feature allows you to view all your device information using any web browser. See the Version 2.0 Release Notes for more information. It can automatically poll the devices at a specified interval. Turn Off All Lights and/or Switches with a push of a button. The first time you open the application, I recommend hitting Done as soon as you see the Setup screen because if you back out of the app instead of hitting Done, the app…