Head to head
| DeepClean | WhatSize | |
|---|---|---|
| Visualization | List | List |
| Platform | macOS | macOS |
| Pricing | Paid Paid one-time license per Mac (around $39 at time of writing) | Paid Paid one-time license (around $15 at time of writing) |
| 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 →
WhatSize
A fast measuring sorter with column views and cleanup tools.
＋ WhatSize: Strengths
- Deep measuring with column, outline, and chart views
- Finds large, duplicate, and orphaned files beyond simple sizes
- Appeals to power users who live in column browsers
－ WhatSize: Weaknesses
- Dense, technical UI with a real learning curve
- Paid license with no free tier for casual use
- Visualization is secondary to tables and lists
Read the review: WhatSize → · WhatSize See alternatives →
Verdict: DeepClean vs WhatSize
Choose DeepClean if you want list visualization on macOS. Choose WhatSize if you prefer list 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, DeepClean or WhatSize?
DeepClean wins on list visualization for macOS; WhatSize wins on list views for macOS. On price, Paid (DeepClean) vs Paid (WhatSize). 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 DeepClean or WhatSize wins on price.