The simplest way to take a macro photo or video is this: Just push your iPhone up close to an object. That’s it. Just move closer.
Shallow Depth of Field
Depth of field is extremely small when focusing on close objects. A small aperture (high f-number) is required to produce acceptable sharpness across a three-dimensional subject. This requires either a slow shutter speed, brilliant lighting, or a high ISO.
As of iOS 15.2, you’ll also notice a little “macro” button in the lower corner of the view as a small yellow circle with a tulip icon. This indicates that you’re taking a macro shot, and you can tap the button to turn off macro and return to using the standard wide lens.
This automatic switching and the Macro indicator button, works when shooting videos as well, which are really fun and can produce some impressive results.
This little icon lets you know when your iPhone 13 Pro has switched to the Ultra-Wide camera for a macro shot.
Camera Zoom FX – FREE version - an Android camera app by androidslide
If you are a Lightroom user, I highly recommend downloading the Lightroom Mobile app. It allows you to quickly sync images in a super efficient way to keep final edited collections on your phone -- rate and keyword images, plus offers powerful image editing tools.
Availability: Free for iOS and Android.