Directe vergelijking
| GrandPerspective | WhatSize | |
|---|---|---|
| Visualization | Treemap | List |
| Platform | macOS | macOS |
| Pricing | Open source Free and open source (GPL); small App Store fee for the packaged build | Paid Paid one-time license (around $15 at time of writing) |
| Open source | Yes | No |
| Native Mac | Yes | Yes |
Stand september 2026 · Prijzen veranderen — controleer bij de aanbieder.
GrandPerspective
The tiny open-source treemap that shows your biggest files instantly.
＋ GrandPerspective: Sterke punten
- Free and open source with a tiny footprint
- Treemap rectangles make the single biggest space hog obvious
- Fast rescans and a loyal power-user community
－ GrandPerspective: Zwaktes
- Treemap UI is utilitarian — no sunburst, no guided cleanup
- No collector tray or duplicate finder; deletion is file-by-file
- Development pace is slow compared with commercial rivals
Lees de review: GrandPerspective → · GrandPerspective Bekijk alternatieven →
WhatSize
A fast measuring sorter with column views and cleanup tools.
＋ WhatSize: Sterke punten
- 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: Zwaktes
- Dense, technical UI with a real learning curve
- Paid license with no free tier for casual use
- Visualization is secondary to tables and lists
Lees de review: WhatSize → · WhatSize Bekijk alternatieven →
Oordeel: GrandPerspective vs WhatSize
Choose GrandPerspective if you want treemap visualization with open-source transparency 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.
Veelgestelde vragen
Which is better, GrandPerspective or WhatSize?
GrandPerspective wins on treemap visualization for macOS; WhatSize wins on list views for macOS. On price, Open source (GrandPerspective) 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 GrandPerspective or WhatSize wins on price.