Head to head

Nektony Disk Space Analyzer Pro vs Space Radar

Two analyzers, one disk. Nektony Disk Space Analyzer Pro brings sunburst views to macOS; Space Radar answers with mixed views on macOS + Windows + Linux. Here's the honest head-to-head — and the third option nobody told you about.

Sunburst vs Mixed Paid vs Open source
Contents
  1. Head to head
  2. Nektony Disk Space Analyzer Pro
  3. Space Radar
  4. Verdict
  5. Frequently asked questions

Head to head

Nektony Disk Space Analyzer ProSpace Radar
VisualizationSunburstMixed
PlatformmacOSmacOS + Windows + Linux
PricingPaid
Paid App Store purchase (around $20 at time of writing)		Open source
Free and open source (MIT)
Open sourceNoYes
Native MacYesNo

Updated September 2026 · Prices change — please verify with the vendor.

Nektony Disk Space Analyzer Pro

The Pro App Store scanner for moving or removing bulky content.

＋ Nektony Disk Space Analyzer Pro: Strengths

  • Mac App Store distribution with Apple-handled updates
  • Sunburst plus move/remove actions for bulky content
  • One-time App Store purchase, no subscription

－ Nektony Disk Space Analyzer Pro: Weaknesses

  • App Store sandbox constrains deep scans without manual grants
  • Costs more than several equally capable rivals
  • Pro vs standard edition naming confuses buyers

Read the review: Nektony Disk Space Analyzer Pro → · Nektony Disk Space Analyzer Pro See alternatives →

Space Radar

Sunburst, treemap, and flamegraph views for disk nerds.

＋ Space Radar: Strengths

  • Three visualizations including a rare flamegraph view
  • Free and MIT-licensed for tinkering
  • Web-tech stack runs anywhere

－ Space Radar: Weaknesses

  • Experimental project, not a supported product
  • No deletion workflow — visualization only
  • Requires comfort with GitHub releases and rough edges

Read the review: Space Radar → · Space Radar See alternatives →

Verdict: Nektony Disk Space Analyzer Pro vs Space Radar

Choose Nektony Disk Space Analyzer Pro if you want sunburst visualization on macOS. Choose Space Radar if you prefer mixed 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.

Frequently asked questions

Which is better, Nektony Disk Space Analyzer Pro or Space Radar?

Nektony Disk Space Analyzer Pro wins on sunburst visualization for macOS; Space Radar wins on mixed views for macOS + Windows + Linux. On price, Paid (Nektony Disk Space Analyzer Pro) vs Open source (Space Radar). 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 Nektony Disk Space Analyzer Pro or Space Radar wins on price.

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