Very good
Worth paying for the upgrade. Once get the hang of the menus it's quick and easy to use and a god send instead of remembering how long since last feed. Great graph for looking at patterns of feeding and nappies. I don't use half the functionality just feeding and nappy change. Can set up so 2 people can have on phone by syncing by Dropbox which is good as data not sent anywhere but your own storage. Great app, only found it after baby was 3 weeks old, wish we had it from birth as would be great to track more info.