App Store Screenshots and Video preview Super-short guide

We can upload up to 3 video and 10 screenshots. Video previews are optional.

Resolutions:

All resolutions specified in Portrait mode.

Required:

1242 x 2208 (iPhone Plus) required for iPhone applications
2048 x 2732 (iPad Pro) required for iPad applications

Optional:

1125 x 2436 iPhone X
750 x 1334 iPhone 6-8
640 x 1136 iPhone 5-SE
1668 x 2224 iPad 10.5"
2048 x 1496 iPad 9.7" Retina

More specifications:

Screenshot specifications
Video specifications