Any app to track how many hr/min spent in a app or doing an activity?

[TheCyclist]

Are there any apps that can track how much time you spend txting or browsing down to the minute and compare how much power it consumes?

Kinda like a line graph showing data.

 

[flyer05]

I think the spare parts app can show you.

 

[Backnblack]

I think the spare parts app can show you.

Not sure I would use an app where the developer says he's not responsible for what the app does....