Android (Rooted): Once you root your Android phone, an app called Superuser jumps in every time an app requires root privileges, granting or denying these permissions. It works, but it can be a little annoying. SuperSU for Android is a free utility that will keep track of the apps you've granted those permissions to, so they don't keep asking, and keeps track of how often the app uses those permissions.
SuperSU's biggest feature is that it steps in where Superuser normally would and can keep track of which apps you've granted root permissions to, automatically granting those permissions again the next time you run that app. It's useful for apps like screenshot utilities or backup tools that need root every time they run, and in case you're not always looking right at the screen to tap "allow" before the 30-second timer runs out. The tool will also log how often those apps request root, whether they do so in the background, and even works even in recovery mode.
The tool comes in two flavours -- the free version and a $2.49 Pro version that supports logging on a per-app basis, allows you to lock the app with a PIN so no changes are made without your approval and more. Both versions are available now at Google Play.