Head-to-head · Disk Space Analyzers
Capacitra vs TreeLens
Capacitra leads on 0 checks, TreeLens on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreCapacitra · 7.3/10
- Free planboth
Capacitra scores higher on our rubric for disk space analyzers: 7.3 against 3.5 out of 10; our editors rank them #15 and #53.
Capacitra is the better fit for windows users needing free reports and snapshots. TreeLens is the better fit for windows users wanting portable open-source analysis.
- Capacitra fits best
Windows users needing free reports and snapshots
- TreeLens fits best
Windows users wanting portable open-source analysis
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Side by side
| Feature | Capacitra 7.3/10 Visit ↗ | TreeLens 3.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.3 | 3.5 |
| Ranking | #15 in Disk Space Analyzers | #53 in Disk Space Analyzers |
| Best for | Windows users needing free reports and snapshots | Windows users wanting portable open-source analysis |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Desktop |
| Platforms | Windows | Windows |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business |
| Features Capacitra 3/5 · TreeLens 3/5 | ||
| Treemap view | ✓ | ✓ |
| Application sizes | Not checked yet | Not checked yet |
| File-type breakdown | ✓ | ✓ |
| External drive scans | Not checked yet | Not checked yet |
| Exportable reports | ✓ | ✓ |
| Specs | ||
| Desktop platforms | windows | windows |
| Scan scope | Files_folders | Files_folders |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | Capacitra is a free, open-source disk-space analyzer for Windows users who need to understand storage usage across drives or selected folders. It scans locally and presents results through squarified treemaps, folder trees, charts,… Read the review → |
TreeLens is a free, open-source Windows desktop utility for examining local storage usage. It scans folders and drives through parallel directory traversal, then presents the results in a squarified treemap that supports drill-down to… Read the review → |
Strengths and trade-offs
Capacitra — where it wins
- Treemap, folder-tree, chart, and file-type views
- Duplicate detection with SHA-1 verification
- CSV, HTML, PDF, and Excel exports plus snapshots
Where it doesn't
- Available only on Windows
- No cloud uploads or account-based access
- Headless scans use a command-line interface
TreeLens — where it wins
- Squarified treemap shows storage usage with file-type coloring.
- Hash-based duplicate finder helps identify repeated files.
- CSV, JSON, and portable snapshot support aid analysis and review.
Where it doesn't
- Windows-only, with no support listed for other platforms.
- MFT fast scanning applies only to eligible elevated whole-volume scans.
- Focused on local storage rather than server-based or cloud analysis.
- Capacitra7.3/10 · Free plan
A free, open-source Windows analyzer with detailed visual reports and scan comparisons.
Visit CapacitraFull verdict → - TreeLens3.5/10 · Free plan
A portable Windows analyzer with treemaps, duplicate finding, exports, and snapshots.
Visit TreeLensFull verdict →
All disk space analyzers comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update