https://ui8.net/products/ux-framework?rel=rola UX Framework
I like the use of round bubbles for photos and the squares used for the messages/text.
Dribbble - boarding-realpixels.png by Leonardo Zakour
Sleep Time App by Michal Langmajer. Dark theme as most people use their alarm clock at night time.
Dribbble - card_new.png by Alexander Zaytsev
Arco – Wireframe Mobile UI Kit - Sketch Templates | ThemeForest
i'm a fan of the "card" element. i like when they're used as the opener after receiving a notification -- gets straight to the content without having to navigate or hide the important parts of the app
gradients on 1 Gallon a Day