Best Disk Space Analyzers in 2026
Updated
104 disk space analyzers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
104ranked
8free plans on this page
$1.25/molowest paid tier
5 Oct 2026last checked
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 26 gdu No phone app RecognisedPhone appDocumentedFree plan 7.0Free Desktop platforms: Linux, macOS, WindowsTreemap view: YesApplication sizes: No
- 27 Flare Scan No phone app RecognisedPhone appDocumentedFree plan 6.9 Desktop platforms: macosTreemap view: Yes
- 28 Neodisk No phone app RecognisedPhone appDocumentedFree plan 6.9 Desktop platforms: macOSTreemap view: YesApplication sizes: Yes
- 29 DiskBrain No phone app RecognisedPhone appDocumentedFree plan 6.9$2/mo Desktop platforms: windows
- 30 DiskMap No phone app RecognisedPhone appDocumentedFree plan 6.8 Desktop platforms: windowsTreemap view: YesApplication sizes: No
- 31 DiskScope No phone app RecognisedPhone appDocumentedFree plan 6.8 Desktop platforms: windows, macos, linuxTreemap view: YesApplication sizes: Yes
- 32 SpaceSniffer No phone app RecognisedPhone appDocumentedFree plan 6.8 Desktop platforms: windowsTreemap view: Yes
- 33 Radix No phone app RecognisedPhone appDocumentedFree plan 6.8 Desktop platforms: macosTreemap view: YesApplication sizes: No
- 34 Drive Sonar No phone app RecognisedPhone appDocumentedFree plan 6.7 Desktop platforms: windows, macos, linuxTreemap view: Yes
- 35 ccdu No phone app RecognisedPhone appDocumentedFree plan 6.7 Desktop platforms: linux, macosTreemap view: Yes
- 36 Spacie No phone app RecognisedPhone appDocumentedFree plan 6.7 Desktop platforms: macosTreemap view: Yes
- 37 AppleTree No phone app RecognisedPhone appDocumentedFree plan 6.7 Desktop platforms: macosTreemap view: Yes
- 38 OpenDisk No phone app RecognisedPhone appDocumentedFree plan 6.7Free Desktop platforms: macos
- 39 DiskLens No phone app RecognisedPhone appDocumentedFree plan 6.6 Desktop platforms: macOS, WindowsTreemap view: NoApplication sizes: Yes
- 40 Sift No phone app RecognisedPhone appDocumentedFree plan 6.6$1.67/mo Desktop platforms: macOSTreemap view: No
- 41 Disk Analyzer No phone app RecognisedPhone appDocumentedFree plan 6.6Free Desktop platforms: windowsTreemap view: Yes
- 42 winTrim No phone app RecognisedPhone appDocumentedFree plan 6.6Free Desktop platforms: windows, macos, linuxTreemap view: YesApplication sizes: Yes
- 43 DiskTree No phone app RecognisedPhone appDocumentedFree plan 6.6$1.25/mo Desktop platforms: macosTreemap view: Yes
- 44 DaisyDisk No phone app RecognisedPhone appDocumentedFree plan 6.5$9.99/mo Desktop platforms: macosTreemap view: Yes
- 45 SpaceBrowser No phone app RecognisedPhone appDocumentedFree plan 6.5 Desktop platforms: Windows, Linux, macOSTreemap view: Yes
- 46 dumap No phone app RecognisedPhone appDocumentedFree plan 6.5 Desktop platforms: windows, macos, linuxTreemap view: Yes
- 47 Disk Xray No phone app RecognisedPhone appDocumentedFree plan 6.5$29/mo Desktop platforms: macos
- 48 FreeSize No phone app RecognisedPhone appDocumentedFree plan 6.5CHF 2.42/mo Desktop platforms: windows, macos, linuxTreemap view: Yes
- 49 SpaceMan No phone app RecognisedPhone appDocumentedFree plan 6.3 Desktop platforms: windows, macos, linuxTreemap view: Yes
- 50 rsdirstat No phone app RecognisedPhone appDocumentedFree plan 6.3 Desktop platforms: macos, linux, windowsTreemap view: Yes
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Desktop platforms | Treemap view |
|---|---|---|---|---|---|---|---|---|
| 26 | gdu | 7.0 | Free plan | Free | Yes | — | Linux, macOS, Windows | Yes |
| 27 | Flare Scan | 6.9 | No | — | Yes | — | macos | Yes |
| 28 | Neodisk | 6.9 | No | — | Yes | — | macOS | Yes |
| 29 | DiskBrain | 6.9 | Free plan | $2/mo | Yes | — | windows | — |
| 30 | DiskMap | 6.8 | No | — | Yes | — | windows | Yes |
| 31 | DiskScope | 6.8 | No | — | Yes | — | windows, macos, linux | Yes |
| 32 | SpaceSniffer | 6.8 | No | — | Yes | — | windows | Yes |
| 33 | Radix | 6.8 | No | — | Yes | — | macos | Yes |
| 34 | Drive Sonar | 6.7 | No | — | — | — | windows, macos, linux | Yes |
| 35 | ccdu | 6.7 | No | — | Yes | — | linux, macos | Yes |
| 36 | Spacie | 6.7 | No | — | Yes | — | macos | Yes |
| 37 | AppleTree | 6.7 | No | — | Yes | — | macos | Yes |
| 38 | OpenDisk | 6.7 | Free plan | Free | Yes | — | macos | — |
| 39 | DiskLens | 6.6 | No | — | Yes | — | macOS, Windows | No |
| 40 | Sift | 6.6 | Free plan | $1.67/mo | Yes | — | macOS | No |
| 41 | Disk Analyzer | 6.6 | Free plan | Free | Yes | — | windows | Yes |
| 42 | winTrim | 6.6 | Free plan | Free | Yes | — | windows, macos, linux | Yes |
| 43 | DiskTree | 6.6 | Free plan | $1.25/mo | Yes | — | macos | Yes |
| 44 | DaisyDisk | 6.5 | No | $9.99/mo | No | $9.99one-time | macos | Yes |
| 45 | SpaceBrowser | 6.5 | No | — | Yes | — | Windows, Linux, macOS | Yes |
| 46 | dumap | 6.5 | No | — | — | — | windows, macos, linux | Yes |
| 47 | Disk Xray | 6.5 | No | $29/mo | — | $29one-time | macos | — |
| 48 | FreeSize | 6.5 | Free plan | CHF 2.42/mo | Yes | — | windows, macos, linux | Yes |
| 49 | SpaceMan | 6.3 | No | — | — | — | windows, macos, linux | Yes |
| 50 | rsdirstat | 6.3 | No | — | Yes | — | macos, linux, windows | Yes |
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