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SpacePeek vs WhatSize

Two analyzers, one disk. SpacePeek brings list views to macOS; WhatSize answers with list views on macOS. Here's the honest head-to-head — and the third option nobody told you about.

Directe vergelijking

SpacePeekWhatSize
VisualizationListList
PlatformmacOSmacOS
PricingFreemium
Free tier; Pro is a cheap one-time unlock
Paid
Paid one-time license (around $15 at time of writing)
Open sourceNoNo
Native MacYesYes

Stand september 2026 · Prijzen veranderen — controleer bij de aanbieder.

SpacePeek

A read-only Quick Look inspector for folders and archives.

+ SpacePeek: Sterke punten

  • Read-only by design — it cannot delete anything, so it's extra safe
  • Peeks inside folders and archives with Finder-style Quick Look
  • Very cheap Pro unlock

- SpacePeek: Zwaktes

  • Read-only means no cleanup workflow at all
  • No sunburst or treemap overview of a whole drive
  • Niche tool, not a full disk analyzer

Lees de review: SpacePeek → · SpacePeek 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: SpacePeek vs WhatSize

Choose SpacePeek 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.

Veelgestelde vragen

Which is better, SpacePeek or WhatSize?

SpacePeek wins on list visualization for macOS; WhatSize wins on list views for macOS. On price, Freemium (SpacePeek) 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 SpacePeek or WhatSize wins on price.

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