Face à face
| NullDisk | Space Radar | |
|---|---|---|
| Visualization | Sunburst | Mixed |
| Platform | macOS 14+ | macOS + Windows + Linux |
| Pricing | Paid One-time purchase — see nulldisk.app/download for current pricing | Open source Free and open source (MIT) |
| Open source | No | Yes |
| Native Mac | Yes | No |
À jour en septembre 2026 · Les prix évoluent — vérifiez auprès du fournisseur.
NullDisk
A native macOS disk-space analyzer with an interactive radial map.
＋ NullDisk: Points forts
- 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: Points faibles
- 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 →
Space Radar
Sunburst, treemap, and flamegraph views for disk nerds.
＋ Space Radar: Points forts
- Three visualizations including a rare flamegraph view
- Free and MIT-licensed for tinkering
- Web-tech stack runs anywhere
－ Space Radar: Points faibles
- Experimental project, not a supported product
- No deletion workflow — visualization only
- Requires comfort with GitHub releases and rough edges
Lire le test: Space Radar → · Space Radar Voir les alternatives →
Verdict: NullDisk vs Space Radar
Choose NullDisk if you want a native Mac sunburst, allocated-size honesty, and a staged collector with zero telemetry. Choose Space Radar if you prefer mixed views for free on macOS + Windows + Linux.
Questions fréquentes
Which is better, NullDisk or Space Radar?
NullDisk brings sunburst views to macOS 14+ at paid pricing; Space Radar answers with mixed views on macOS + Windows + Linux at open source 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 Space Radar to NullDisk?
Note the largest folders Space Radar flagged, run the same scan in NullDisk, and rebuild the cleanup in its removal collector. The step-by-step is on our switching guide.