[cauterize]

Most likely due to lack of resources.

[izacus]

Why does it need a mobile phone to work at all?!

[gknoy]

It probably doesn't -- there's likely an API that the app calls, and that one could, with time, mimic it. That would also require the intersection of people with the tools, cats, and inclination.

[ohhoe]

It does. You have to set the schedule from the app. :/