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.
Top 5 SimplyDiskSweeper alternatives
OmniDiskSweeper
A largest-first column browser for quick, no-frills cleanup.
WhatSize
A fast measuring sorter with column views and cleanup tools.
Disk Xray
All-in-one analyzer, duplicate finder, uninstaller, and shredder.
SpacePeek
A read-only Quick Look inspector for folders and archives.
正面对决: NullDisk vs SimplyDiskSweeper
| NullDisk | SimplyDiskSweeper | |
|---|---|---|
| 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 |
关键信息: SimplyDiskSweeper
| SimplyDiskSweeper | |
|---|---|
| Vendor | MotionObj (Hwee-Boon Yar) |
| Platform | macOS |
| Pricing | Free — Free with paid App Store options at time of writing |
| Visualization | List |
| Open source | No |
2026年9月更新 · 价格会变,请以供应商为准。 撰稿时价格: Free with paid App Store options at time of writing.
NullDisk适合你,如果……
- A radial sunburst map instead of lists or treemaps — see usage at a glance and drill in with a click.
- Fully offline with a published zero-data policy — nothing ever leaves your Mac.
- A staged removal collector: queue suspects, review, then Trash everything together.
Pros & cons
＋ 优点
- Dead-simple sorted lists — no learning curve
- Fast for routine sweeps of Downloads and caches
- Lightweight indie app
－ 缺点
- No visual map for understanding usage at a glance
- Minimal safety rails and no staged collector
- Not suited to deep forensic cleanups
常见问题
What is the best alternative to SimplyDiskSweeper for Mac?
For most Mac users it's NullDisk: native SwiftUI, a radial sunburst map, a staged removal collector, and zero data collection. SimplyDiskSweeper users who want list views and free pricing will feel at home within minutes.
Is there a free alternative to SimplyDiskSweeper?
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.
How do I switch from SimplyDiskSweeper to NullDisk?
Note the largest folders SimplyDiskSweeper flagged, then run the same scan in NullDisk and rebuild the cleanup in its removal collector. The full walkthrough is on our switching guide.
一句话
SimplyDiskSweeper 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. 迁移指南 →