You can store your downloads in your account when you signup!
This minimalist iPhone 6 mockup is a great place to show off any app that needs a polished setting. The iPhone 6 floats over a grey backdrop at a slight angle. It looks as if it was falling through space. The iPhone 6 holds an image of 750x1334px. This neutral backdrop will work well with an app.
Drag & drop not supported, but you can still upload via this input field: