a
What WizTree does well
- Very fast whole-drive scans from the Master File Table
- Treemap and file list, free for personal use
- A duplicate finder by name and size
- Portable version, no install needed
vsComparison
Tidemark vs WizTree
WizTree is the speed benchmark: it reads the NTFS Master File Table and shows a whole drive in seconds, free for personal use. It answers “what is big right now”. Tidemark answers that too, and adds what grew, which app it belongs to and whether it is safe to remove.
Written by the makers of Tidemark. WizTree’s details come from its own published pages, checked on 13 October 2026; see the sources below and check WizTree’s site for the latest.
b
What Tidemark adds
- Remembers scans, so you can see which folders grew and when a drive will fill
- Adds up each app’s space across Program Files, AppData and ProgramData
- Clean, sorted into safe, review first and handle with care
- Explains Windows’ system space and cleans it with Microsoft’s tools
- Uninstalls apps and clears their leftovers
- Knows AI tools: running model servers and duplicate model files
01Table
Side by side
| Feature | Tidemark | WizTree |
|---|---|---|
| Visual treemap of a drive | Yes | Yes |
| Fast whole-drive scan from the NTFS Master File Table | YesFast scan, Pro | Yes |
| Space per app, across Program Files, AppData and ProgramData | Yes | Not listed |
| Snapshots compared over time: which folders grew | YesLatest change free; any two snapshots with Pro | Not listed |
| Forecast of when a drive will be full | YesPro | Not listed |
| Duplicate file finder | YesBy content; sharing AI models is Pro | YesBy name and size, free |
| Developer build folders (node_modules, target, venvs) | YesPro | Not listed |
| Explains Windows’ system space (WinSxS, hibernation, page file) | YesCleaned with Microsoft’s own tools | Not confirmed |
| Cleans caches and temp files, sorted by risk | YesSafe, Review first, Handle with care | Not listed |
| Uninstalls apps and finds what they left behind | YesClearing leftovers is Pro | Not listed |
| Folder limits or alerts when a folder grows | YesLimits and Watches, Pro | Not listed |
| AI-aware: running model servers, duplicate AI models | YesStopping tools is Pro | Not listed |
| On the Microsoft Store | PartlyComing soon | Not confirmed |
| Price | Free; Pro $9.99 once | Free personal; commercial from $25 once |
| Price in detail | Free; Pro is one payment | Free for personal use; commercial use from $25 once |
02Verdict
Which should you choose?
Choose WizTree if…
- You only need a one-off look at what is big
- You want a portable tool you can run from a USB stick
Choose Tidemark if…
- Your drive keeps filling and you want to know what grew
- You want to know which app owns the space, and what is safe to clear
Or use both. Plenty of people keep WizTree for a quick look and use Tidemark to track a drive over time.
03 Sources
WizTree 4.33, checked on 13 October 2026. WizTree is a trademark of its owner; Thryve Apps is not affiliated with it. Spotted something out of date? Email [email protected].
→Get Tidemark
Try Tidemark next to WizTree.
Free to use, with no time limit. Tidemark Pro is $9.99 once (usually $19.99), for up to 3 PCs.
coming soonto the Microsoft Store
See pricingWindows 10 (version 2004, build 19041) or later and Windows 11, on x64 PCs.