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): 700 × 473 / 1536 × 1038 / 2048 × 1384 / 100 × 100 / 200 × 200 / 320 × 216 / 700 × 473 / 1600 × 1082 / 150 × 150 / 2219 × 1500