直接比較

GrandPerspective対Space Radar

Two analyzers, one disk. GrandPerspective brings treemap views to macOS; Space Radar answers with mixed views on macOS + Windows + Linux. Here's the honest head-to-head — and the third option nobody told you about.

直接比較

GrandPerspectiveSpace Radar
VisualizationTreemapMixed
PlatformmacOSmacOS + Windows + Linux
PricingOpen source
Free and open source (GPL); small App Store fee for the packaged build
Open source
Free and open source (MIT)
Open sourceYesYes
Native MacYesNo

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。

GrandPerspective

The tiny open-source treemap that shows your biggest files instantly.

+ GrandPerspective: 強み

  • Free and open source with a tiny footprint
  • Treemap rectangles make the single biggest space hog obvious
  • Fast rescans and a loyal power-user community

- GrandPerspective: 弱み

  • Treemap UI is utilitarian — no sunburst, no guided cleanup
  • No collector tray or duplicate finder; deletion is file-by-file
  • Development pace is slow compared with commercial rivals

レビューを読む: GrandPerspective → · GrandPerspective 代替を見る →

Space Radar

Sunburst, treemap, and flamegraph views for disk nerds.

+ Space Radar: 強み

  • Three visualizations including a rare flamegraph view
  • Free and MIT-licensed for tinkering
  • Web-tech stack runs anywhere

- Space Radar: 弱み

  • Experimental project, not a supported product
  • No deletion workflow — visualization only
  • Requires comfort with GitHub releases and rough edges

レビューを読む: Space Radar → · Space Radar 代替を見る →

結論: GrandPerspective vs Space Radar

Choose GrandPerspective if you want treemap visualization with open-source transparency 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.

よくある質問

Which is better, GrandPerspective or Space Radar?

GrandPerspective wins on treemap visualization for macOS; Space Radar wins on mixed views for macOS + Windows + Linux. On price, Open source (GrandPerspective) 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 GrandPerspective or Space Radar wins on price.

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