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Folder Size vs Neodisk

Folder Size

mindgems.com

Neodisk

github.com

Side by side

FigureFolder SizeNeodisk
Price fromFreeFree
Free planYesYes
Free trial——
Open source——
WindowsYes—
macOS—Yes
Linux—Yes
Plans published51
Spec score · Disk Space Analyzers8.3 (#25)8.6 (#8)
Free planYesYes
Desktop platformswindowsmacOS
PrivacyThe maker says scans run locally and that folder sizes, file names, and other data are never uploaded or transmitted.Local scan data, file names, and other data the app reads stay on the device; the maker says there are no analytics, tracking, or data collection.
PurposeFolder Size analyzes Windows disk usage, lists large files and folders, and visualizes storage with bar and pie charts.Neodisk is a read-only disk space visualizer with treemap and sunburst views.
Scan historyUsers can save and load scan data to compare results and track changes over time.Completed scans persist as snapshots, and the macOS Changes tab lists additions, deletions, renames, and size changes since the previous scan.
Scan scopefiles_foldersfiles_folders_apps

Plans

Folder Size

  • FreeFree
  • FreeFree
  • Personal$24.95, paid once
  • Professional$39.95, paid once
  • Corporate$499, paid once

Folder Size pricing →

Neodisk

  • FreeFree

Neodisk pricing →

In their own words

Folder Size

Folder Size analyzes Windows storage to identify large files and folders and display disk usage in bar and pie charts. It scans local and external drives, USB and flash drives, SD cards, NAS, SAN, and network shares. A File Explorer right-click menu can start a scan of a folder and its subfolders. Results include lists such as largest, oldest, newest, empty, and longest-path items, with export to Excel, CSV, or XML. The application also lets users cut, copy, paste, delete, and move files or folders. Scan data can be saved and loaded later to compare results over time. The maker says scans run locally and data such as file names and folder sizes are not uploaded. A free plan is available. Personal costs 24.95 USD as a one-time fee for a license that never expires; Professional costs 39.95 USD as a one-time fee and adds command-line automation. The listed requirements include Windows 11, 10, 8.1, 8, 7, or Windows Server 2008 or newer, at least 1 GB RAM, and 10 MB of disk space. Folder Size cannot scan symbolic links.

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Neodisk

Neodisk is a free, open-source disk space analyzer for macOS and Linux. It scans files, folders and applications, then presents storage usage in treemap, sunburst and outline views. Zooming, folder navigation, fuzzy search and keyboard navigation help you move through a scan. Analysis includes largest-file discovery, file-type statistics, an age heatmap and duplicate finding verified with content hashes. Neodisk is read-only: available file actions are revealing an item in Finder or Files, opening it and copying its path. Completed scans persist as snapshots that can be reopened. On macOS, the Changes tab records additions, deletions, renames and size changes since the previous scan. Optional Google Drive access reads quota and metadata without reading, downloading or changing file contents. macOS requires version 14 or later on Apple silicon or Intel. Linux AppImages support x86_64 and ARM64, but Linux lacks duplicate and changes tabs, cloud-drive scanning and incremental rescans.

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