Density 1.0.2 | MacOSX | 4.5 Mb
Density is a simple OS X utility app made for Designers & Developers to help them calculate the dimensions for multiple screen sizes.
Special Features:
— Easily generate and save a text file with all the sizes from the app
— Make Density's window "Float on top" so it won't disappear when switched to another application.
Home Page - https://itunes.apple.com/ru/app/density-pixel-calculator/id980053405