DiskMapper

Spec sheet

Purpose

DiskMapper analyzes disk space on a Mac by mapping a whole disk, external drive, or folder.Read 11 Oct 2026 · diskmapper.app

Desktop platforms

macosRead 22 Sep 2026 · diskmapper.app

Free plan

YesRead 22 Sep 2026 · diskmapper.app

Privacy

The app has no accounts or telemetry; its routine network connection is a daily update check that sends only the app version and can be disabled.Read 11 Oct 2026 · diskmapper.app

Support

The maker invites public beta reports by email at [email protected].Read 11 Oct 2026 · diskmapper.app

Headquarters

CanadaRead 28 Sep 2026 · diskmapper.app

Maker

The site identifies Brad Macdonald as the independent maker and says DiskMapper is made in Canada.Read 11 Oct 2026 · diskmapper.app

Application sizes

YesRead 22 Sep 2026 · diskmapper.app

Cleanup

Users can select items to move to Trash, evict iCloud downloads, or move or copy elsewhere.Read 11 Oct 2026 · diskmapper.app

Distribution

DiskMapper is a direct, signed and notarized download; the maker says it is not on the Mac App Store because sandboxing prevents the access and file management it needs.Read 11 Oct 2026 · diskmapper.app

External drive scans

YesRead 22 Sep 2026 · diskmapper.app

Largest items

The Biggest Files panel shows the 200 largest items on a volume with their relative paths.Read 11 Oct 2026 · diskmapper.app

Limits

DiskMapper does not include a duplicate finder or app-uninstall feature.Read 11 Oct 2026 · diskmapper.app

Local data

Settings, favorite folders, and scan history are stored locally, and the app reads file names, sizes, dates, and folder structure rather than file contents.Read 11 Oct 2026 · diskmapper.app

Navigation

Users can drill into folders, navigate back and forward, and see synchronized highlights between the map and file list.Read 11 Oct 2026 · diskmapper.app

Permission

DiskMapper requires Full Disk Access to see and manage files across the Mac, and flags sources without access.Read 11 Oct 2026 · diskmapper.app

Platform

The download is for Apple silicon Macs running macOS 26 Tahoe or later.Read 11 Oct 2026 · diskmapper.app

Scan scope

files_folders_appsRead 22 Sep 2026 · diskmapper.app

System junk

The System Junk panel identifies items such as caches, old diagnostic reports, app leftovers, and stale DerivedData, with confidence levels.Read 11 Oct 2026 · diskmapper.app

Treemap view

YesRead 22 Sep 2026 · diskmapper.app

Visualizations

It displays disk contents as a sunburst or treemap, with instant switching between the two views.Read 11 Oct 2026 · diskmapper.app

Plans and prices

Every DiskMapper plan and price →

Where Specifiction places it

• Disk Space Analyzers#61 of 1057.8