Accept credit cards and cash on your iPhone, iPad or iPod touch with your free Square Card Reader.
The anatomy of a credit card form — User Experience Design (UX) — Medium
I am a little bit behind but this is my day 4 UI, calculator. I decided to design a tip calculator since I would be using it a lot.
I like the colour scheme here, and the geometrical aspect to it. Colours compliment each other and make the design stand out and catch your eye.
iPhone Screenshot 1
iPhone スクリーンショット 3
Dashboard #UI another very modern, sleek, and (dare I say) futuristic dashboard design example. Perhaps much of this can be leveraged for the app's design.