Set "home mode" when on wifi

[RoadRunner (Meep Meep.....)]

+1: can be done with sharp tools and tasker.
Life360 has been mention to work too.
ST alone is flaky on presence sensing; see poll results.

Poll: Mobile Phone as a Presence Device with SmartThings

Continuing the discussion from Migration to V2 - Hurdles and Best Practices: Hey guys! We would like to learn more about how mobile presence does, or doesn’t, work for everyone. Please select one of the options below. Poll: Mobile Phone as a Presence Device with SmartThings poll If your experience is either really great or really poor, we also would appreciate any additional information you can provide. Please select an option in the poll and then respond with the following details in the thread. We want to gather information for whom it doesn’t work. Mobile Device: Mobile device OS version: If Android: GPS level: (high accuracy vs. battery saving) Level of Geo-Fence accuracy: (High, Medium, Low) Does your phone connect to your wi-fi: SmartThings App Version: This is a fact fi…