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): 72 × 96 / 299 × 400 / 523 × 700 / 1148 × 1536 / 1530 × 2048 / 100 × 100 / 200 × 200 / 320 × 428 / 523 × 700 / 150 × 150 / 1536 × 2056