The Differences of pictures by the built-in Macro Lens and an add-on Macro Lens for iPhone

This was by iPhone 13 Built-in macro lens?

the background is a little bit clear, the details is not the clear.

This was by an add-on lens to iPhone 13?

Here is the Macro Lens Set used.

Here are some video used the macro lens to take:

Learn more at:

http://www.youtube.com/user/dckina

What's the alternative use of a macro lens?

 instead of shooting bees, ants...?

you can check your skin, like me:

 

check your finger

or something like this:

If you are interested, you may start with this lens:

2.8X HD Macro for iPhone

or 

2.8X HD Macro for smart Phone