直接比較
| Disk Xray | NullDisk | |
|---|---|---|
| Visualization | List | Sunburst |
| Platform | macOS | macOS 14+ |
| Pricing | Freemium Free tier; Pro via yearly subscription or lifetime unlock | Paid One-time purchase — see nulldisk.app/download for current pricing |
| 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。
Disk Xray
All-in-one analyzer, duplicate finder, uninstaller, and shredder.
＋ Disk Xray: 強み
- Bundles analyzer, duplicates, uninstaller, and shredder in one app
- Free tier covers basic scanning
- Guided cleanup suits users who want decisions made for them
－ Disk Xray: 弱み
- Subscription pricing for full features where rivals charge once
- Analyzer view is list-led rather than a rich visual map
- All-in-one scope means each tool is shallower than a specialist
レビューを読む: Disk Xray → · Disk Xray 代替を見る →
NullDisk
A native macOS disk-space analyzer with an interactive radial map.
＋ NullDisk: 強み
- 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: 弱み
- 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 →
結論: Disk Xray vs NullDisk
Choose NullDisk if you want a native Mac sunburst, allocated-size honesty, and a staged collector with zero telemetry. Choose Disk Xray if you prefer list views at freemium pricing on macOS.
よくある質問
Which is better, Disk Xray or NullDisk?
Disk Xray brings list views to macOS at freemium pricing; NullDisk answers with sunburst views on macOS 14+ at paid 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 Disk Xray to NullDisk?
Note the largest folders Disk Xray flagged, run the same scan in NullDisk, and rebuild the cleanup in its removal collector. The step-by-step is on our switching guide.