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NullDisk vs SpacePeek

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

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NullDiskSpacePeek
VisualizationSunburstList
PlatformmacOS 14+macOS
PricingPaid
One-time purchase — see nulldisk.app/download for current pricing
Freemium
Free tier; Pro is a cheap one-time unlock
Open sourceNoNo
Native MacYesYes

Actualizado en septiembre de 2026 · Los precios cambian: verifícalos con el proveedor.

NullDisk

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

+ NullDisk: Puntos fuertes

  • 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: Puntos débiles

  • 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 →

SpacePeek

A read-only Quick Look inspector for folders and archives.

+ SpacePeek: Puntos fuertes

  • Read-only by design — it cannot delete anything, so it's extra safe
  • Peeks inside folders and archives with Finder-style Quick Look
  • Very cheap Pro unlock

- SpacePeek: Puntos débiles

  • Read-only means no cleanup workflow at all
  • No sunburst or treemap overview of a whole drive
  • Niche tool, not a full disk analyzer

Leer el análisis: SpacePeek → · SpacePeek Ver alternativas →

Veredicto: NullDisk vs SpacePeek

Choose NullDisk if you want a native Mac sunburst, allocated-size honesty, and a staged collector with zero telemetry. Choose SpacePeek if you prefer list views at freemium pricing on macOS.

Preguntas frecuentes

Which is better, NullDisk or SpacePeek?

NullDisk brings sunburst views to macOS 14+ at paid pricing; SpacePeek answers with list views on macOS at freemium 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 SpacePeek to NullDisk?

Note the largest folders SpacePeek 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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