直接比較
| OmniDiskSweeper | WhatSize | |
|---|---|---|
| Visualization | List | List |
| Platform | macOS | macOS |
| Pricing | Free Free freeware from The Omni Group | Paid Paid one-time license (around $15 at time of writing) |
| Open source | No | No |
| Native Mac | Yes | Yes |
2026年9月更新 · 価格は変動します。提供元でご確認ください。
OmniDiskSweeper
A largest-first column browser for quick, no-frills cleanup.
＋ OmniDiskSweeper: 強み
- Completely free from a trusted Mac developer
- Largest-first sorting finds big folders with zero learning curve
- Lightweight and fast on any Mac
－ OmniDiskSweeper: 弱み
- 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
レビューを読む: OmniDiskSweeper → · OmniDiskSweeper 代替を見る →
WhatSize
A fast measuring sorter with column views and cleanup tools.
＋ WhatSize: 強み
- Deep measuring with column, outline, and chart views
- Finds large, duplicate, and orphaned files beyond simple sizes
- Appeals to power users who live in column browsers
－ WhatSize: 弱み
- Dense, technical UI with a real learning curve
- Paid license with no free tier for casual use
- Visualization is secondary to tables and lists
レビューを読む: WhatSize → · WhatSize 代替を見る →
結論: OmniDiskSweeper vs WhatSize
Choose OmniDiskSweeper if you want list visualization on macOS. Choose WhatSize if you prefer list views at paid pricing on macOS. And if you want a native Mac sunburst with a staged collector and zero telemetry, NullDisk is the third option that beats both on workflow.
よくある質問
Which is better, OmniDiskSweeper or WhatSize?
OmniDiskSweeper wins on list visualization for macOS; WhatSize wins on list views for macOS. On price, Free (OmniDiskSweeper) vs Paid (WhatSize). The honest answer depends on your OS and whether you prefer maps or lists — read the verdict below.
Is there something better than both?
If you want a native Mac sunburst with allocated-size honesty, a staged removal collector, and zero data collection, NullDisk beats both on workflow — even where OmniDiskSweeper or WhatSize wins on price.