Head to head
| DeepClean | NullDisk | |
|---|---|---|
| Visualization | List | Sunburst |
| Platform | macOS | macOS 14+ |
| Pricing | Paid Paid one-time license per Mac (around $39 at time of writing) | Paid One-time purchase — see nulldisk.app/download for current pricing |
| Open source | No | No |
| Native Mac | Yes | Yes |
Updated September 2026 · Prices change — please verify with the vendor.
DeepClean
A developer-deep cleaner for junk, duplicates, and large files.
＋ DeepClean: Strengths
- Deep system-junk coverage developers appreciate
- Guided cleanup flows for duplicates and large files
- One-time license, no subscription
－ DeepClean: Weaknesses
- Highest single-Mac price in this comparison set
- Analyzer views are secondary to automated cleaning
- Aggressive cleaning needs careful review before running
Read the review: DeepClean → · DeepClean See alternatives →
NullDisk
A native macOS disk-space analyzer with an interactive radial map.
＋ NullDisk: Strengths
- Native SwiftUI on macOS 14+, Apple Silicon and Intel
- Allocated-size measurement with hard-link dedup
- Staged collector-to-Trash workflow with Quick Look inspector
－ NullDisk: Weaknesses
- macOS only — no Windows or Linux build
- Paid license with no free tier
- No duplicate finder or all-in-one cleaner extras
NullDisk features → · Download NullDisk →
Verdict: DeepClean vs NullDisk
Choose NullDisk if you want a native Mac sunburst, allocated-size honesty, and a staged collector with zero telemetry. Choose DeepClean if you prefer list views at paid pricing on macOS.
Frequently asked questions
Which is better, DeepClean or NullDisk?
DeepClean brings list views to macOS at paid pricing; NullDisk answers with sunburst views on macOS 14+ at paid pricing. If you want native Mac polish with a staged, Trash-based cleanup, NullDisk takes it — otherwise pick by OS and map taste.
How do I switch from DeepClean to NullDisk?
Note the largest folders DeepClean flagged, run the same scan in NullDisk, and rebuild the cleanup in its removal collector. The step-by-step is on our switching guide.