Which fits your needs?
DissectMac: People who want free inspection and optional paid app/leftover cleanup.
Space Lens (CleanMyMac): Existing CleanMyMac users who want visual disk exploration within their suite.
Features, pricing, and workflow
Scroll across to compare
| Feature | DissectMac | Space Lens (CleanMyMac) |
|---|---|---|
| Best fit | People who want free inspection and optional paid app/leftover cleanup. | Existing CleanMyMac users who want visual disk exploration within their suite. |
| Visualization | Treemap and search | Bubble-map storage explorer |
| Platforms and requirements | macOS (Intel and Apple Silicon builds) | macOS |
| Pricing and editions | Map, search, and monitor are free; Pro is listed at $12.99 once plus tax. | Part of CleanMyMac; check current subscription/one-time plans and edition availability. |
| Open source | No | No |
| Native macOS UI | Yes | Yes |
| Cleanup workflow | Pro moves selected files and app leftovers to Trash after review. | Add selections to the cleanup list, review them, then run the module’s removal action. |
| Reports and portability | The overview does not establish scan-report export. Preserve any app-removal decisions and rescan the same folders in NullDisk. | Keep screenshots and paths from Space Lens. The cited manual does not establish report interoperability with NullDisk. |
DissectMac: what stands out
A good fit for people who want free inspection and optional paid app/leftover cleanup.
DissectMac: strengths
- Free map, file search, and live monitor
- Filters for developer files and large storage categories
- Pro uninstaller and app-leftover cleanup
Considerations
- In-app clearing and uninstallation require Pro
- Treemap is the documented graphical view
- Confirm suspected leftovers belong to apps you no longer need
Space Lens (CleanMyMac): what stands out
A good fit for existing CleanMyMac users who want visual disk exploration within their suite.
Space Lens (CleanMyMac): strengths
- Bubble visualization of local and external storage
- Folder-by-folder browsing and a reviewed removal list
- Part of the broader CleanMyMac maintenance suite
Considerations
- A suite module rather than a standalone purchase
- Check module availability in your CleanMyMac edition
- Suite licensing may be more than needed for disk analysis alone
For a useful comparison on your own drive, match the scan root, access permissions, and size mode. Chart style changes how you explore the results; it does not by itself establish measurement accuracy.
Common questions
When should I choose DissectMac?
A good fit for people who want free inspection and optional paid app/leftover cleanup. Map, search, and monitor are free; Pro is listed at $12.99 once plus tax.
When should I choose Space Lens (CleanMyMac)?
A good fit for existing CleanMyMac users who want visual disk exploration within their suite. Part of CleanMyMac; check current subscription/one-time plans and edition availability.
Will both apps show the same size?
Not necessarily. Match the scan root, permissions, exclusions, and logical/allocated-size mode. Hard links, APFS clones, snapshots, sparse files, and cloud placeholders can change totals. A reported size is not a guaranteed amount recovered after deletion.