App Concept – UI and App Research

Phone Sizes and Resolution

Different phones and devices have different resolutions and sizes which means that the way the app presents itself will be different for each size. As I am focusing on iPhone sizes, i’ve researched the resolutions and sizes of the iPhones and not particularly on other phones.

Device Resolution and Size
iPhone 6s Plus, iPhone 6 Plus 1920 x 1080 px – 5.5″
iPhone 6s, iPhone 6, 1334 x 750 – 4.7″
iPhone SE 1136 x 640 – 4.7″
iPhone 5/C/S 640 x 1136 – 4″

Points and Pixels

Pixels is the smallest unit of digital data. Pixels are used to display an image on screen or print it, converting the image information in pixels to physical representation.

App Icons


When designing the apps for iOS, there are three different themes that make them different in comparison to other platforms:

Clarity – The text must be easy to read aswell as


Device Icon size
iPhone 6s Plus, iPhone 6 Plus 180px by 180px
iPhone 6s, iPhone 6, iPhone SE 120px by 120px
iPad Pro 167px by 167px
iPad, iPad mini 152px by 152px



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