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NullDisk vs SquirrelDisk

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

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NullDiskSquirrelDisk
VisualizationSunburstSunburst
PlatformmacOS 14+macOS + Windows + Linux
PricingPaid
One-time purchase — see nulldisk.app/download for current pricing
Open source
Free and open source (AGPL-3.0)
Open sourceNoYes
Native MacYesNo

Na-update noong Setyembre 2026 · Nagbabago ang mga presyo — pakiberipika sa vendor.

NullDisk

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

+ NullDisk: Mga lakas

  • 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: Mga kahinaan

  • 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 →

SquirrelDisk

The easiest open-source sunburst for hunting huge files.

+ SquirrelDisk: Mga lakas

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

- SquirrelDisk: Mga kahinaan

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

Basahin ang review: SquirrelDisk → · SquirrelDisk Tingnan ang mga alternatibo →

Hatol: NullDisk vs SquirrelDisk

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

Mga madalas itanong

Which is better, NullDisk or SquirrelDisk?

NullDisk brings sunburst views to macOS 14+ at paid pricing; SquirrelDisk answers with sunburst views on macOS + Windows + Linux at open source 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 SquirrelDisk to NullDisk?

Note the largest folders SquirrelDisk 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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