直接比較

DaisyDisk対Space Radar

Two analyzers, one disk. DaisyDisk brings sunburst 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

DaisyDiskSpace Radar
VisualizationSunburstMixed
PlatformmacOSmacOS + Windows + Linux
PricingPaid
Paid one-time license (around $10 at time of writing)
Open source
Free and open source (MIT)
Open sourceNoYes
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。

DaisyDisk

The beloved sunburst map that made disk cleanup beautiful.

+ DaisyDisk: 強み

  • Gorgeous, instantly readable sunburst map with smooth drill-in
  • Fast scanning with a built-in collector for staged deletion
  • Long-running Mac citizen with polished onboarding

- DaisyDisk: 弱み

  • Paid license; no free or open-source tier
  • macOS only, so mixed-OS households need a second tool
  • Collector workflow is manual — no duplicate detection or AI assistance

レビューを読む: DaisyDisk → · DaisyDisk 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: DaisyDisk vs Space Radar

Choose DaisyDisk if you want sunburst 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.

よくある質問

Which is better, DaisyDisk or Space Radar?

DaisyDisk wins on sunburst visualization for macOS; Space Radar wins on mixed views for macOS + Windows + Linux. On price, Paid (DaisyDisk) 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 DaisyDisk or Space Radar wins on price.

More comparisons