"Smart Automation" app that allows rules to be set, and events to be triggered based on these
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Pro Rules can be shared
There's a catalog of Rules uploaded by other users that you can browse and download.
Pro No noticeable effect on battery
Pro Works perfectly out of the box
Not all similar apps deliver what they say. This one just works
Pro Easy to use
Very simple user interface
Pro Free version
Though there is a paid version of the app, the free version can be sufficient to satisfy basic automation needs.