I used this one with my first, free and has sleep, nappies and feeds as well as milestones http://itunes.apple.com/app/appName/id779656557?mt=8
https://play.google.com/store/apps/details?id=com.drillyapps.babydaybook
Baby +
I have been using huckleberry for our newborn, only for feeding and nappy changes but they also have sleep tracking
I used this one with my first, free and has sleep, nappies and feeds as well as milestones http://itunes.apple.com/app/appName/id779656557?mt=8