iPhone photo printing is a great way to share photos with friends and family. You can print photos using the camera app, or you can use the printer app. The printer app is a great option if you want to print photos quickly and easily. To print photos from the camera app, first open the camera app and take a picture of your desired photo size. Then, use the zoom function to make sure that your photo is of an appropriate size for printing. To print photos using the printer app, first open the printer app and select your desired photo size. Then, use the zoom function to make sure that your photo is of an appropriate size for printing.