Had a few cracks in my concrete driveway, wanted to fix them without the obvious difference in color that so many repairs end up with. Using some quikrete over the crack sealant makes it look much better.
Crack filler I used: https://www.homedepot.com/p/Sikaflex-10-1-oz-Crack-Flex-Concrete-Sealant-7116110/300934565?MERCH=REC-_-searchViewed-_-NA-_-300934565-_-N&