Cap la cap

GrandPerspective vs NullDisk

Two analyzers, one disk. GrandPerspective brings treemap views to macOS; NullDisk answers with sunburst views on macOS 14+. Here's the honest head-to-head.

Cap la cap

GrandPerspectiveNullDisk
VisualizationTreemapSunburst
PlatformmacOSmacOS 14+
PricingOpen source
Free and open source (GPL); small App Store fee for the packaged build
Paid
One-time purchase — see nulldisk.app/download for current pricing
Open sourceYesNo
Native MacYesYes

Actualizat septembrie 2026 · Prețurile se schimbă — verifică la furnizor.

GrandPerspective

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

+ GrandPerspective: Puncte forte

  • 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: Slăbiciuni

  • 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

Citește recenzia: GrandPerspective → · GrandPerspective Vezi alternativele →

NullDisk

A native macOS disk-space analyzer with an interactive radial map.

+ NullDisk: Puncte forte

  • Native SwiftUI on macOS 14+, Apple Silicon and Intel
  • Allocated-size measurement with hard-link dedup
  • Staged collector-to-Trash workflow with Quick Look inspector

- NullDisk: Slăbiciuni

  • macOS only — no Windows or Linux build
  • Paid license with no free tier
  • No duplicate finder or all-in-one cleaner extras

NullDisk features → · Download NullDisk →

Verdict: GrandPerspective vs NullDisk

Choose NullDisk if you want a native Mac sunburst, allocated-size honesty, and a staged collector with zero telemetry. Choose GrandPerspective if you prefer treemap views for free on macOS.

Întrebări frecvente

Which is better, GrandPerspective or NullDisk?

GrandPerspective brings treemap views to macOS at open source pricing; NullDisk answers with sunburst views on macOS 14+ at paid pricing. If you want native Mac polish with a staged, Trash-based cleanup, NullDisk takes it — otherwise pick by OS and map taste.

How do I switch from GrandPerspective to NullDisk?

Note the largest folders GrandPerspective flagged, run the same scan in NullDisk, and rebuild the cleanup in its removal collector. The step-by-step is on our switching guide.

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