
SequoiaView
DiskBoss
DiskWave
DiskSavvy
RidNacs
Duc
HDGraph
This tool uses a sunburst chart to display the usage of your hard disk or other media.

WinDirStat
WizTree
Baobab Disk Usage Analyzer
DaisyDisk
SpaceSniffer
CleanMyPC
Avast Cleanup
TreeSize tells you where precious disk space has gone to.

Which is more popular?
Based on our record, Scanner seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | steffengerlach.de | jam-software.de |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Scanner yet.
Overall verdict
Why this product is good
Recommended for
TreeSize is recommended for system administrators, IT professionals, and everyday users who need an efficient way to track and manage disk space usage. It is particularly useful for those managing multiple drives or looking to perform detailed storage audits.
Walkthroughs and reviews on video.
Artist Review: Canon LiDE 400 Scanner
More videos
How to Easily Free Disk Space with Treesize (or similar)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Scanner and TreeSize. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Scanner yet. Be the first one to post
TreeSize Professional is a flexible hard disk space managing tool for all Windows and client/server. You can visualize your hard disk space usage.
Recommendations tracked on public social media and blogs since March 2021.


Scanner has proven to be a must-have tool for many years to see where disk space goes. Source: over 3 years ago
I use this tool all the time! On my Windows boxes, I use an old tool called "Scanner" that presents the results in an interactive pie chart: http://steffengerlach.de/freeware/ I've used it on everything from Windows 10 to my Win98SE... - Source: Hacker News / almost 4 years ago
I've been using Steffen Gerlach's Scanner for years. Its portable, quick and very friendly. Check it out. Source: about 4 years ago
Tracking TreeSize since Mar 2021.
When comparing Scanner and TreeSize, you can also consider the following products.

SequoiaView is a featured rich application that comes with the visualization technique to provide you a single view of files and documents that are stored in your hard drive.
Compare SequoiaView to Scanner or TreeSize:

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Compare WinDirStat to Scanner or TreeSize:

A file manager with a focus on storage side of things: Monitoring, classing, storage, duplicate...
Compare DiskBoss to Scanner or TreeSize:

WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Compare WizTree to Scanner or TreeSize:

DiskWave is a free utility to help you determine where most of your hard drive space is consumed.
Compare DiskWave to Scanner or TreeSize:

Baobab Disk Usage Analyzer is one of the light-weight disk analyzers that offers you a chance to view and monitor the disk usage & folder structure without any hassle.
Compare Baobab Disk Usage Analyzer to Scanner or TreeSize: