NullDisk our pick
A native macOS disk-space analyzer with an interactive radial map. Native SwiftUI, allocated-size honesty, staged Trash-based removal, zero data collection.
The Omni Group
Switching from OmniDiskSweeper? A largest-first column browser for quick, no-frills cleanup. Here are five tools worth your Applications folder — honestly compared, with our native pick first.
A native macOS disk-space analyzer with an interactive radial map. Native SwiftUI, allocated-size honesty, staged Trash-based removal, zero data collection.
A fast measuring sorter with column views and cleanup tools.
All-in-one analyzer, duplicate finder, uninstaller, and shredder.
A minimal sorted-list cleaner for quick disk sweeps.
A read-only Quick Look inspector for folders and archives.
| NullDisk | OmniDiskSweeper | |
|---|---|---|
| Visualization | Sunburst radial map | List |
| Platform | macOS 14+ | macOS |
| Pricing | Paid | Free |
| Open source | No (offline, zero-data) | No |
| Cleanup flow | Staged collector → Trash | Direct deletion from lists |
| OmniDiskSweeper | |
|---|---|
| Vendor | The Omni Group |
| Platform | macOS |
| Pricing | Free — Free freeware from The Omni Group |
| Visualization | List |
| Open source | No |
सितंबर 2026 में अपडेट · कीमतें बदलती हैं — विक्रेता से जांचें। लेखन समय की कीमत: Free freeware from The Omni Group.
For most Mac users it's NullDisk: native SwiftUI, a radial sunburst map, a staged removal collector, and zero data collection. OmniDiskSweeper users who want list views and free pricing will feel at home within minutes.
Yes — GrandPerspective and Disk Inventory X are free and open source with genuine treemap analysis. They lack NullDisk's collector workflow and sunburst map, but they find the biggest hogs fast.
Note the largest folders OmniDiskSweeper flagged, then run the same scan in NullDisk and rebuild the cleanup in its removal collector. The full walkthrough is on our switching guide.
OmniDiskSweeper is a fine free tool for list fans on macOS. But if you want the whole job — see, stage, and safely remove — done natively on a modern Mac, NullDisk is the upgrade. स्विच गाइड →