Head to head
| SpaceLens | SquirrelDisk | |
|---|---|---|
| Visualization | Mixed | Sunburst |
| Platform | macOS | macOS + Windows + Linux |
| Pricing | Paid Available via CleanMyMac subscription or one-time license | Open source Free and open source (AGPL-3.0) |
| Open source | No | Yes |
| Native Mac | Yes | No |
Updated September 2026 · Prices change — please verify with the vendor.
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 →
SquirrelDisk
The easiest open-source sunburst for hunting huge files.
＋ SquirrelDisk: Strengths
- Free and open source on every desktop OS
- Genuinely easy sunburst experience
- No account, no telemetry, no upsell
－ SquirrelDisk: Weaknesses
- Java-based UI rather than native Mac controls
- No collector tray or staged-removal workflow
- Solo-maintainer pace on features and fixes
Read the review: SquirrelDisk → · SquirrelDisk See alternatives →
Verdict: SpaceLens vs SquirrelDisk
Choose SpaceLens if you want mixed visualization on macOS. Choose SquirrelDisk if you prefer sunburst 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, SpaceLens or SquirrelDisk?
SpaceLens wins on mixed visualization for macOS; SquirrelDisk wins on sunburst views for macOS + Windows + Linux. On price, Paid (SpaceLens) vs Open source (SquirrelDisk). 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 SpaceLens or SquirrelDisk wins on price.