
WinDirStat
TreeSize
SpaceSniffer
TeraCopy
Baobab Disk Usage Analyzer
DaisyDisk
Baobab
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.

Postio.co.uk
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|
|
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|---|---|---|
| Website | antibody-software.com | postaldatapi.com |
| Pricing | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of WizTree yet.
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...
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.


Overall verdict
Why this product is good
Recommended for
WizTree is recommended for users who need to identify and manage large files on their computer quickly. It is particularly useful for IT professionals, system administrators, and any computer user looking to efficiently organize their storage without fuss.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
(reup old vid) PC Spotlight - WizTree - Find Whats Taking Up Hard Drive Space Quickly And Pain Free
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using WizTree and PostalDataPI. For example, how are they different and which one is better?
When comparing WizTree and PostalDataPI, you can also consider the following products.

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Fast UK address, email & phone validation APIs for developers. Official Royal Mail PAF data. Pay as you go, 100 free lookups.
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TreeSize tells you where precious disk space has gone to.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.
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Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
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