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): 499 × 700 / 1095 × 1536 / 1460 × 2048 / 100 × 100 / 200 × 200 / 320 × 449 / 499 × 700 / 1141 × 1600 / 2139 × 3000 / 150 × 150 / 1825 × 2560