What is Reddit's opinion of WolOn - Wake on LAN?

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You have to take into account that WOL is a broadcast protocol. When your computer is turned off it doesn't have an IP assigned, so forwarding WOL packets to an IP address will not work. You have to configure your router to broadcast to your internal LAN WOL packets received on the external interface.
I'm using WolOn app for Android https://play.google.com/store/apps/details?id=com.bitklog.wolon It has a help section where it explains this stuff and has some links to some useful resources.

On my dd-wrt router I added a static arp address that would map 192.168.1.254 to ff:ff:ff:ff:ff:ff and forward WOL packets to the above address. ...254 IP is just an IP that I know won't be assigned to any device in my internal LAN, you can pick whichever works for you.

If you want to trigger WOL from android. You could use MacroDroid and https://play.google.com/store/apps/details?id=com.bitklog.wolon

MacroDroid works on triggers, so for example you can just send a text or a notification. You can even set it to work by time. Then you connect the plugin action of MacroDroid to the app linked above and it will automatically WOL

were you aware that you cold do the same thing with an app on yor phone such as https://play.google.com/store/apps/details?id=com.bitklog.wolon&hl=en_US&gl=US

and if so, is it because you wanted it secifically as a key chain? or what pros do you see over the app?

Make sure WOL is enable in bios and enable port forwarding for the port you want to use. I used 50000

And used this app was cheap https://play.google.com/store/apps/details?id=com.bitklog.wolon

I can WOL on network or over the internet

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1. It automatically detects the devices connected to the same WiFi/router network that your mobile is connected to.
2. Or, you can manually add your PC by inputting the MAC address of your PC(you can find it in ipconfig command output)
3. Once added, you'll be able to see whether that particular device is currently online or not.
4. To test whether the app is actually working, put your PC into sleep or hibernate mode and then press the wake button in the app.

I installed the app just yesterday and it was working, well, sort of. This app switches on my computer when I open the app which is ridiculous considering that a 'wake' button is explicitly provided. And there is no setting to turn off this behaviour​.

So I switched​ to WolOn which works great.

If the waking up doesn't work, I read that there are 1 or 2 settings in power management which can help, you can find it on the web.

I just use an app on my phone called WolOn, just a quick tap on it and its running even if I'm in another state.