Đối đầu
| NullDisk | OmniDiskSweeper | |
|---|---|---|
| Visualization | Sunburst | List |
| Platform | macOS 14+ | macOS |
| Pricing | Paid One-time purchase — see nulldisk.app/download for current pricing | Free Free freeware from The Omni Group |
| Open source | No | No |
| Native Mac | Yes | Yes |
Cập nhật tháng 9/2026 · Giá thay đổi — vui lòng kiểm tra với nhà cung cấp.
NullDisk
A native macOS disk-space analyzer with an interactive radial map.
＋ NullDisk: Điểm mạnh
- Native SwiftUI on macOS 14+, Apple Silicon and Intel
- Allocated-size measurement with hard-link dedup
- Staged collector-to-Trash workflow with Quick Look inspector
－ NullDisk: Điểm yếu
- macOS only — no Windows or Linux build
- Paid license with no free tier
- No duplicate finder or all-in-one cleaner extras
NullDisk features → · Download NullDisk →
OmniDiskSweeper
A largest-first column browser for quick, no-frills cleanup.
＋ OmniDiskSweeper: Điểm mạnh
- Completely free from a trusted Mac developer
- Largest-first sorting finds big folders with zero learning curve
- Lightweight and fast on any Mac
－ OmniDiskSweeper: Điểm yếu
- No visual map at all — pure ranked lists
- Dated interface that hasn't meaningfully evolved in years
- No collector, previews, or safety rails beyond the Trash
Đọc đánh giá: OmniDiskSweeper → · OmniDiskSweeper Xem lựa chọn thay thế →
Kết luận: NullDisk vs OmniDiskSweeper
Choose NullDisk if you want a native Mac sunburst, allocated-size honesty, and a staged collector with zero telemetry. Choose OmniDiskSweeper if you prefer list views for free on macOS.
Câu hỏi thường gặp
Which is better, NullDisk or OmniDiskSweeper?
NullDisk brings sunburst views to macOS 14+ at paid pricing; OmniDiskSweeper answers with list views on macOS at free pricing. If you want native Mac polish with a staged, Trash-based cleanup, NullDisk takes it — otherwise pick by OS and map taste.
How do I switch from OmniDiskSweeper to NullDisk?
Note the largest folders OmniDiskSweeper flagged, run the same scan in NullDisk, and rebuild the cleanup in its removal collector. The step-by-step is on our switching guide.