Choose from many photo sizes, iPhone resolution to wide and HD, including full size image. See it larger for more details:
Different image sizes (resolution): 486 × 700 / 1066 × 1536 / 1421 × 2048 / 100 × 100 / 200 × 200 / 320 × 461 / 486 × 700 / 1110 × 1600 / 2082 × 3000 / 150 × 150 / 1777 × 2560