Head to head
| DaisyDisk | Nektony Disk Space Analyzer | |
|---|---|---|
| Visualization | Sunburst | Sunburst |
| Platform | macOS | macOS |
| Pricing | Paid Paid one-time license (around $10 at time of writing) | Freemium Free scan; full features via yearly subscription or lifetime unlock |
| Open source | No | No |
| Native Mac | Yes | Yes |
Updated September 2026 · Prices change — please verify with the vendor.
DaisyDisk
The beloved sunburst map that made disk cleanup beautiful.
＋ DaisyDisk: Strengths
- Gorgeous, instantly readable sunburst map with smooth drill-in
- Fast scanning with a built-in collector for staged deletion
- Long-running Mac citizen with polished onboarding
－ DaisyDisk: Weaknesses
- Paid license; no free or open-source tier
- macOS only, so mixed-OS households need a second tool
- Collector workflow is manual — no duplicate detection or AI assistance
Read the review: DaisyDisk → · DaisyDisk See alternatives →
Nektony Disk Space Analyzer
A fast sunburst analyzer that finds your largest space hogs.
＋ Nektony Disk Space Analyzer: Strengths
- 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: Weaknesses
- 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
Read the review: Nektony Disk Space Analyzer → · Nektony Disk Space Analyzer See alternatives →
Verdict: DaisyDisk vs Nektony Disk Space Analyzer
Choose DaisyDisk if you want sunburst visualization on macOS. Choose Nektony Disk Space Analyzer if you prefer sunburst views at freemium pricing on macOS. 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, DaisyDisk or Nektony Disk Space Analyzer?
DaisyDisk wins on sunburst visualization for macOS; Nektony Disk Space Analyzer wins on sunburst views for macOS. On price, Paid (DaisyDisk) vs Freemium (Nektony Disk Space Analyzer). 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 DaisyDisk or Nektony Disk Space Analyzer wins on price.