APPLE INSIDER
If the regular macOS Spotlight is great and powerful, third-party alternatives are even greater, even more powerful and just even more useful for speeding up your Mac.
Alternatives to SpotlightConsidering that Spotlight is this hugely underused feature of the Mac, just using that to find files and launch apps will speed up your work. But you can go further with a whole class of third-party alternatives that bring ever more fast and powerful features.
Source: APPLE INSIDER