Tracking Android phone usage My wife thinks I spend too much time on my smartphone, but I believe she spends more time than me on hers.

Is there a way to monitor and provide statistics on our phone usage, so we can objectively compare our smartphone addiction?

I don't want something too intrusive (I don't want anyone, including me, to be able to spy on my wife) or something which would require root access.
I think that QualityTime meets your needs:

  
QualityTime (source: Google Play; click images for larger variants)


  QualityTime is a fun, visually engaging and easy-to-use Android app that allows you to monitor and get real time reports on how much time you spend on your smartphone and on your favorite apps.