It works, but...

First, its a real battery killer. It doesnt show up that way though in the battery page in settings, so its a bit deceptive. Perhaps thats an iOS limitation. But until I turned it off, my battery would be down to half by early afternoon. After, it ends the day at about 75%, so we are talking about a huge drain. Biggest way to tell though is that when on, iPhone reports standby usage equaling actual usage. When off, standby is much lower as expected.

Second, the options in the app are very confusing and offer no details. For example, you can disable it as a background task, but it still works in the background. You can prevent it from always accessing location services, but either way the location icon never turns off (unless you actually turn off calendar silent).

Unfortunately, the first part isnt the apps fault (the second is). It would seem iOS doesnt give you access to do this without constantly using location services. Still, while I love the functionality, its just not with it if I can barely get through the day without the battery dying.

HellsChicken about AutoSilent