Client Tasks and Notes (currently on iOS only)

When you browse your contacts in mobile app you have options view and add Tasks and Notes related to them. Comments and Tasks you add on web will appear in the section below client details.

And to add Tasks and Notes from your phone, click on "+" icon in top right, then select the entry type you would like to add in dialogue that shows on the screen. After you complete the entry new Task or Note will appear in contact page.