Face à face

Nektony Disk Space Analyzer vs NullDisk

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

Sunburst vs Sunburst Freemium vs Paid
Sommaire
  1. Face à face
  2. Nektony Disk Space Analyzer
  3. NullDisk
  4. Verdict
  5. Questions fréquentes

Face à face

Nektony Disk Space AnalyzerNullDisk
VisualizationSunburstSunburst
PlatformmacOSmacOS 14+
PricingFreemium
Free scan; full features via yearly subscription or lifetime unlock		Paid
One-time purchase — see nulldisk.app/download for current pricing
Open sourceNoNo
Native MacYesYes

À jour en septembre 2026 · Les prix évoluent — vérifiez auprès du fournisseur.

Nektony Disk Space Analyzer

A fast sunburst analyzer that finds your largest space hogs.

＋ Nektony Disk Space Analyzer: Points forts

  • Sunburst view in the same visual family as DaisyDisk and NullDisk
  • Free scan before paying anything
  • Nektony ships a whole Mac-utility ecosystem around it

－ Nektony Disk Space Analyzer: Points faibles

  • Subscription tier for full features where rivals charge once
  • Interface carries the house style of a utility bundle
  • Largest-file focus can miss distributed cruft

Lire le test: Nektony Disk Space Analyzer → · Nektony Disk Space Analyzer Voir les alternatives →

NullDisk

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

＋ NullDisk: Points forts

  • 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: Points faibles

  • 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: Nektony Disk Space Analyzer vs NullDisk

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

Questions fréquentes

Which is better, Nektony Disk Space Analyzer or NullDisk?

Nektony Disk Space Analyzer brings sunburst views to macOS at freemium 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 Nektony Disk Space Analyzer to NullDisk?

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

More comparisons