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
3free plans on this page
$4.99/molowest paid tier
8 Oct 2026last checked
Disk Space Analyzers, ranked on how quickly a newcomer can get going. 4 of the 25 on this page can be tried for free.
- 51 SpaceMan
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 52 duvis
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 53 DiskPilot
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 54 RaDisk
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 55 DiskMapperFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 56 SpareDiskPaid from $4.99/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 57 StorageScope
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 58 ncduFree plan
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 59 MacStorageAtlas
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 60 TreeLens
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 61 DiskDive
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 62 Durs
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 63 Duc
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 64 diskbloom
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 65 WhatSizePaid from $14.99/mo
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 66 Space GremlinPaid from $4.99/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 67 DiskSizer
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 68 diskonaut
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 69 HDGraph
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 70 dua
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 71 deltaFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 72 Diskify SpacePaid from $79/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 73 Diskus
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 74 Storage Analyser
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 75 godu
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Desktop platforms | Treemap view |
|---|---|---|---|---|---|---|---|---|
| 51 | SpaceMan | 6.8 | No | — | — | — | windows, macos, linux | Yes |
| 52 | duvis | 6.8 | No | — | Yes | — | windows, macos, linux | Yes |
| 53 | DiskPilot | 6.8 | No | — | Yes | — | windows, macos, linux | Yes |
| 54 | RaDisk | 6.7 | No | — | Yes | — | windows, macos, linux | — |
| 55 | DiskMapper | 6.7 | Free plan | Free | Yes | — | macos | Yes |
| 56 | SpareDisk | 6.6 | No | $4.99/mo | No | $4.99one-time | macos | Yes |
| 57 | StorageScope | 6.6 | No | — | Yes | — | macos | — |
| 58 | ncdu | 6.6 | Free plan | Free | Yes | — | Linux, macOS | No |
| 59 | MacStorageAtlas | 6.5 | No | — | Yes | — | macos | Yes |
| 60 | TreeLens | 6.5 | No | — | Yes | — | windows | Yes |
| 61 | DiskDive | 6.5 | No | — | Yes | — | macos, windows, linux | Yes |
| 62 | Durs | 6.5 | No | — | Yes | — | windows, macos, linux | No |
| 63 | Duc | 6.4 | No | — | Yes | — | Linux | No |
| 64 | diskbloom | 6.4 | No | — | — | — | macos, linux | Yes |
| 65 | WhatSize | 6.4 | No | $14.99/mo | No | $14.99one-time | macos | No |
| 66 | Space Gremlin | 6.3 | No | $4.99/mo | No | $4.99one-time | macos | Yes |
| 67 | DiskSizer | 6.3 | No | — | Yes | — | windows | Yes |
| 68 | diskonaut | 6.3 | No | — | Yes | — | Linux, macOS, Windows | Yes |
| 69 | HDGraph | 6.3 | No | — | Yes | — | windows | No |
| 70 | dua | 6.3 | No | — | Yes | — | macOS, Linux, Windows | No |
| 71 | delta | 6.3 | Free plan | Free | — | — | — | — |
| 72 | Diskify Space | 6.2 | No | $79/mo | No | — | Windows | — |
| 73 | Diskus | 6.2 | No | — | Yes | — | windows | No |
| 74 | Storage Analyser | 6.2 | No | — | Yes | — | android | No |
| 75 | godu | 6.2 | No | — | Yes | — | Windows, macOS, Linux | No |
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