Face à face
| Space Radar | WhatSize | |
|---|---|---|
| Visualization | Mixed | List |
| Platform | macOS + Windows + Linux | macOS |
| Pricing | Open source Free and open source (MIT) | Paid Paid one-time license (around $15 at time of writing) |
| Open source | Yes | No |
| Native Mac | No | Yes |
À jour en septembre 2026 · Les prix évoluent — vérifiez auprès du fournisseur.
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 →
WhatSize
A fast measuring sorter with column views and cleanup tools.
＋ WhatSize: Points forts
- 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: Points faibles
- Dense, technical UI with a real learning curve
- Paid license with no free tier for casual use
- Visualization is secondary to tables and lists
Lire le test: WhatSize → · WhatSize Voir les alternatives →
Verdict: Space Radar vs WhatSize
Choose Space Radar if you want mixed visualization with open-source transparency on macOS + Windows + Linux. 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.
Questions fréquentes
Which is better, Space Radar or WhatSize?
Space Radar wins on mixed visualization for macOS + Windows + Linux; WhatSize wins on list views for macOS. On price, Open source (Space Radar) 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 Space Radar or WhatSize wins on price.