The idiomatic expression
"to make a world of difference" means to have a significant impact or to cause something to be greatly different from what it was before.
Full definition
It's a subtle feature, but these kinds of details
make a world of difference on device like a phone which gets used literally 100 + times per day.
Books made the world of difference when my son was born, and the information I learned has had a lasting impact on our family life, our parenting style, and our marriage.