Head to head
| DissectMac | SpaceLens | |
|---|---|---|
| Visualization | Treemap | Mixed |
| Platform | macOS | macOS |
| Pricing | Freemium Free tier with paid unlocks at time of writing | Paid Available via CleanMyMac subscription or one-time license |
| Open source | No | No |
| Native Mac | Yes | Yes |
Updated September 2026 · Prices change — please verify with the vendor.
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 →
SpaceLens
A bubble-map storage explorer inside the CleanMyMac suite.
＋ SpaceLens: Strengths
- Beautiful bubble-map view distinct from sunbursts and treemaps
- One click from analysis to automated cleanup inside the suite
- Backed by MacPaw's large support and update operation
－ SpaceLens: Weaknesses
- Requires the full CleanMyMac suite — no standalone purchase
- Subscription push where single-purpose rivals charge once
- Suite scope means deeper scans can feel like an upsell path
Read the review: SpaceLens → · SpaceLens See alternatives →
Verdict: DissectMac vs SpaceLens
Choose DissectMac if you want treemap visualization on macOS. Choose SpaceLens if you prefer mixed views at paid 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, DissectMac or SpaceLens?
DissectMac wins on treemap visualization for macOS; SpaceLens wins on mixed views for macOS. On price, Freemium (DissectMac) vs Paid (SpaceLens). 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 DissectMac or SpaceLens wins on price.