直接比較
| Delve | NullDisk | |
|---|---|---|
| Visualization | Mixed | Sunburst |
| Platform | macOS | macOS 14+ |
| Pricing | Paid Paid one-time purchase (around $5 at time of writing) | 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。
Delve
An honest APFS-aware treemap plus sunburst with collector cleanup.
+ Delve: 強み
- Both treemap and sunburst views with APFS-aware measurement
- Collector tray stages deletions before they happen
- Honest marketing about what can and can't be reclaimed
- Delve: 弱み
- Newer entrant — fewer reviews and community resources
- macOS only, no Windows or mobile companion
- Smaller feature surface than all-in-one suites
レビューを読む: Delve → · Delve 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: Delve vs NullDisk
Choose NullDisk if you want a native Mac sunburst, allocated-size honesty, and a staged collector with zero telemetry. Choose Delve if you prefer mixed views at paid pricing on macOS.
よくある質問
Which is better, Delve or NullDisk?
Delve brings mixed views to macOS at paid 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 Delve to NullDisk?
Note the largest folders Delve flagged, run the same scan in NullDisk, and rebuild the cleanup in its removal collector. The step-by-step is on our switching guide.