MacStorageAtlas

Spec sheet

Purpose

Atlas Storage Analyzer scans folders and volumes on macOS and displays disk usage as a sortable folder tree and interactive treemap.Read 12 Oct 2026 · lachi90.github.io

Desktop platforms

macosRead 23 Sep 2026 · lachi90.github.io

Free plan

YesRead 23 Sep 2026 · lachi90.github.io

License

The project is free and open source under the MIT License.Read 12 Oct 2026 · lachi90.github.io

Maker

The product is supported by Lachmann Thiem Software, which describes itself as a German software company.Read 12 Oct 2026 · lachi90.github.io

Access limits

The sandboxed Mac App Store build can read only locations the user selects; the GitHub build provides guidance for granting Full Disk Access.Read 12 Oct 2026 · lachi90.github.io

Archiving

Users can move or copy a reviewed cleanup basket to an external or network volume; colliding destination names are blocked instead of overwritten.Read 12 Oct 2026 · lachi90.github.io

Cleanup

Eligible items can be moved to macOS Trash after review, while broad or sensitive containers are blocked in the app.Read 12 Oct 2026 · lachi90.github.io

Downloads

GitHub Release DMGs are described as signed, notarized, stapled, and published with SHA-256 checksums; the Mac App Store edition is free.Read 12 Oct 2026 · lachi90.github.io

Duplicate review

Optional duplicate analysis checks byte-for-byte matches and skips known cloud-only placeholders.Read 12 Oct 2026 · lachi90.github.io

File breakdowns

It includes tabs for file-type statistics and the largest files, with counts, sizes, and full paths.Read 12 Oct 2026 · lachi90.github.io

File-type breakdown

YesRead 23 Sep 2026 · lachi90.github.io

Filters and exports

Users can filter completed scans by size, dates, extension, file category, and shared storage, then export results as CSV or JSON.Read 12 Oct 2026 · lachi90.github.io

Hardware support

The release provides separate macOS builds for arm64 Apple Silicon and x64 Intel Macs.Read 12 Oct 2026 · lachi90.github.io

Local history

Optional scan history is off until enabled; snapshots stay on the Mac and do not include file contents.Read 12 Oct 2026 · lachi90.github.io

Privacy and data handling

The product page says scan history snapshots stay on the Mac and never include file contents.Read 12 Oct 2026 · lachi90.github.io

Scan controls

Scans show live paths, file and folder counts, and bytes scanned, and can be cancelled while partial results remain visible.Read 12 Oct 2026 · lachi90.github.io

Scan scope

files_folders_appsRead 23 Sep 2026 · lachi90.github.io

Treemap view

YesRead 23 Sep 2026 · lachi90.github.io

Plans and prices

Every MacStorageAtlas plan and price →

Where Specifiction places it

• Disk Space Analyzers#53 of 1057.9