Choose by workflow
A folder scanner bundled with duplicates, similar photos, and app cleanup. If you need something different, compare these five options by the job they do. Choose by platform, features, and how you prefer to review files.
Mac users managing local/remote storage, and developers who need Git-aware cleanup or scriptable disk reports.
Mac users who prefer a free size-sorted browser to a chart.
Mac users who want a focused list workflow and explicit confirmation.
Finder users who want to inspect archives before extracting or deleting them.
Mac users who want explained cleanup categories and developer-cache coverage.
Scroll across to compare
| Feature | Disk Xray | NullDisk |
|---|---|---|
| Best fit | Mac users seeking an analyzer plus duplicate and photo cleanup tools. | Mac users managing local/remote storage, and developers who need Git-aware cleanup or scriptable disk reports. |
| Visualization | Sorted folder breakdown and cleanup lists | Radial map, treemap, and file list; CLI terminal treemap |
| Platforms and requirements | macOS 10.13+ (vendor requirements) | Mac app: macOS 14+; CLI: macOS, Linux, Windows |
| Pricing and editions | Free App Store download; full functionality via subscription or lifetime purchase. The subscription includes a seven-day trial. | Direct Mac edition free with reminders; optional $9.99 one-time personal license or team seat removes reminders. App Store terms are separate. |
| Open source | No | No |
| Native macOS UI | Yes | Yes |
| Cleanup workflow | Review each module’s action; ordinary cleanup and permanent shredding have different recovery implications. | Review source and action: local Trash, explicit permanent removal, or backup/delete; remote and cloud actions depend on the destination. |
| Reports and portability | The cited product page does not document scan export. Keep duplicate decisions and paths separately; hard-link accounting in NullDisk is not duplicate-content detection. | CLI produces JSON/NDJSON scan reports. Third-party scan files are not directly imported into the Mac GUI. |
The cited product page does not document scan export. Keep duplicate decisions and paths separately; hard-link accounting in NullDisk is not duplicate-content detection.
Mac users seeking an analyzer plus duplicate and photo cleanup tools. Keep it if that matches your needs. Consider a change for a specific requirement such as a different chart, remote sources, report exports, or development cleanup.
GrandPerspective and SquirrelDisk offer free open-source analysis. OmniDiskSweeper is free on Mac. All direct Mac features in NullDisk are free with reminders; reminder removal is optional. Freeware does not necessarily mean open source.
No. Keep any historical exports you need and run a fresh scan of the same location. NullDisk does not import these apps’ saved scans or cleanup queues.