I use "Muni Alerts," which is always synced and has alarms that can be set for particular lines approaching within arbitrary time frames. Works great. https://

I use "Muni Alerts," which is always synced and has alarms that can be set for particular lines approaching within arbitrary time frames. Works great. https://play.google.com/store/apps/details?id=com.neces https://play.google.com/store/apps/details?id=com.neces