In the competitive world of mobile apps, first impressions matter. Graphics like app icons, logos, and splash screens are not just aesthetic add-ons—they play a crucial role in shaping user perceptions and driving engagement.
App Icon:
File Format: PNG. Also an .icon file can be used for iOS apps.
Size: 1024 × 1024 px (minimum)
Specifications:
Android: No transparency and no gradient allowed. Colors should be fully opaque and static. The edges cannot be rounded.
iOS: The same characteristics as the ones outlined above, but if it is an .icon file generated with Apple's Icon Composer, the icon can have the app's icon outline and also different color shades).
App Logo:
File Format: SVG
Size: N/A, since the file should be an SVG vector graphic
Specifications: Transparent background
Splash Screen:
File Format: SVG vector file OR PNG
Size: no dimensions needed if the file is in SVG, OR 1000 x1000 px if the file is in PNG
Specifications: Dimensions should be 1:1. Background should be transparent, background colour can be only solid colour - no gradient. If you want to have any graphic design in the splash screen, it should fit into an imaginary square placed in the middle of the screen. You can choose the width of the square, but no graphics can be placed in the tip or the bottom of the splash screen.
To illustrate this requirement:

