Head to head
| SimplyDiskSweeper | Space Radar | |
|---|---|---|
| Visualization | List | Mixed |
| Platform | macOS | macOS + Windows + Linux |
| Pricing | Free Free with paid App Store options at time of writing | Open source Free and open source (MIT) |
| Open source | No | Yes |
| Native Mac | Yes | No |
Updated September 2026 · Prices change — please verify with the vendor.
SimplyDiskSweeper
A minimal sorted-list cleaner for quick disk sweeps.
＋ SimplyDiskSweeper: Strengths
- Dead-simple sorted lists — no learning curve
- Fast for routine sweeps of Downloads and caches
- Lightweight indie app
－ SimplyDiskSweeper: Weaknesses
- No visual map for understanding usage at a glance
- Minimal safety rails and no staged collector
- Not suited to deep forensic cleanups
Read the review: SimplyDiskSweeper → · SimplyDiskSweeper See alternatives →
Space Radar
Sunburst, treemap, and flamegraph views for disk nerds.
＋ Space Radar: Strengths
- Three visualizations including a rare flamegraph view
- Free and MIT-licensed for tinkering
- Web-tech stack runs anywhere
－ Space Radar: Weaknesses
- Experimental project, not a supported product
- No deletion workflow — visualization only
- Requires comfort with GitHub releases and rough edges
Read the review: Space Radar → · Space Radar See alternatives →
Verdict: SimplyDiskSweeper vs Space Radar
Choose SimplyDiskSweeper if you want list visualization on macOS. Choose Space Radar if you prefer mixed views for free on macOS + Windows + Linux. 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.
Frequently asked questions
Which is better, SimplyDiskSweeper or Space Radar?
SimplyDiskSweeper wins on list visualization for macOS; Space Radar wins on mixed views for macOS + Windows + Linux. On price, Free (SimplyDiskSweeper) vs Open source (Space Radar). 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 SimplyDiskSweeper or Space Radar wins on price.