Head to head
| DaisyDisk | DissectMac | |
|---|---|---|
| Visualization | Sunburst | Treemap |
| Platform | macOS | macOS |
| Pricing | Paid Paid one-time license (around $10 at time of writing) | Freemium Free tier with paid unlocks at time of writing |
| 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 →
DissectMac
A fast local treemap with uninstaller and live monitoring.
＋ DissectMac: Strengths
- Fast local treemaps with live disk monitoring
- Bundled uninstaller covers app leftovers
- Free tier for basic analysis
－ DissectMac: Weaknesses
- Treemap-only visualization; no sunburst or list-first mode
- Monitoring features overlap with free macOS tools
- Young product with a thin review record
Read the review: DissectMac → · DissectMac See alternatives →
Verdict: DaisyDisk vs DissectMac
Choose DaisyDisk if you want sunburst visualization on macOS. Choose DissectMac if you prefer treemap 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 DissectMac?
DaisyDisk wins on sunburst visualization for macOS; DissectMac wins on treemap views for macOS. On price, Paid (DaisyDisk) vs Freemium (DissectMac). 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 DissectMac wins on price.