As far as I've seen there's a few monitoring apps but none really help me much. I'd much rather have something running on the rigs instead of waiting for an inactive worker email from my pool. Also something that will actually wake me up if something goes wrong at 3AM.
Any suggestions? I'm prepared to build an android app if nothing fits my needs but it sure would be nice if SimpleMining had an API or something that I could use rather than putting something else running on each rig to post their status every few minutes.
I would recommend you EthMonitoring \ EthControl. It's free and you can monitor or control (autorestart, apply config changes remotly, etc.) your rig + there is android app and telegram notification.
Here is EthMonitoring \ EthControl official thread:
https://bitcointalk.org/index.php?topic=1932864.0