Hazel solves a different problem than DaisyDisk: it prevents mess from accumulating in the first place. Instead of running a disk scan when storage gets tight, Hazel applies rules continuously to keep folders organized and reduce clutter over time.
The power comes from automation: files can be moved, renamed, tagged, archived, or trashed based on conditions you define. That makes it ideal for keeping Downloads, Desktop, and project folders from turning into long-term storage liabilities.
Hazel also pairs well with periodic disk analyzers because it reduces how often “emergency cleanup day” happens. If DaisyDisk is the flashlight for finding big items, Hazel is the system that keeps new clutter from piling up unchecked.
The trade-off is setup effort—rule-based organization pays off most when users are willing to configure and maintain their workflows.