getting better day by day vs gets better day by day

[allthewayanime]

Which one should I use:

It's gets better day by day

or

It's getting better day by day

 

[5jj]

There is no significant difference in meaning between these two.

 

[Rover_KE]

Which one should I use:

It gets better day by day.

or

It's getting better day by day.

Rover