Calendar real pixels
Pttrns — Mobile User Interface Patterns
UI: Nice minimal use of color, text, white space for things like messaging, interstitials, modals, etc. Material UI Kit
A walk-through overlay for many of the screens would probably go a long way to help with user confusion since the app is pretty complicated
iPhone App - Agenda Screen by Eric Hoffman for JellyJar Co
A gorgeously designed launching soon page for an upcoming to-do-list app with a clean minimal responsive layout.
Beautiful iOS layout found on Dribbble. Nice color scheme.