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GrandPerspective vs SquirrelDisk

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

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GrandPerspectiveSquirrelDisk
VisualizationTreemapSunburst
PlatformmacOSmacOS + Windows + Linux
PricingOpen source
Free and open source (GPL); small App Store fee for the packaged build
Open source
Free and open source (AGPL-3.0)
Open sourceYesYes
Native MacYesNo

Opdateret september 2026 · Priser ændres — verificér hos leverandøren.

GrandPerspective

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

+ GrandPerspective: Styrker

  • 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: Svagheder

  • 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

Læs anmeldelsen: GrandPerspective → · GrandPerspective Se alternativer →

SquirrelDisk

The easiest open-source sunburst for hunting huge files.

+ SquirrelDisk: Styrker

  • Free and open source on every desktop OS
  • Genuinely easy sunburst experience
  • No account, no telemetry, no upsell

- SquirrelDisk: Svagheder

  • Java-based UI rather than native Mac controls
  • No collector tray or staged-removal workflow
  • Solo-maintainer pace on features and fixes

Læs anmeldelsen: SquirrelDisk → · SquirrelDisk Se alternativer →

Dom: GrandPerspective vs SquirrelDisk

Choose GrandPerspective if you want treemap visualization with open-source transparency on macOS. Choose SquirrelDisk if you prefer sunburst 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.

Ofte stillede spørgsmål

Which is better, GrandPerspective or SquirrelDisk?

GrandPerspective wins on treemap visualization for macOS; SquirrelDisk wins on sunburst views for macOS + Windows + Linux. On price, Open source (GrandPerspective) vs Open source (SquirrelDisk). 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 SquirrelDisk wins on price.

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