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

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
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 | diffyn.com |
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What each product offers, as listed by its team.


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
Walkthroughs and reviews on video.
Artist Review: Canon LiDE 400 Scanner
More videos
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Scanner and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using Scanner and Diffyn. For example, how are they different and which one is better?
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 Diffyn since Jun 2025.
When comparing Scanner and Diffyn, 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.
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A file manager with a focus on storage side of things: Monitoring, classing, storage, duplicate...
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DiskWave is a free utility to help you determine where most of your hard drive space is consumed.
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DiskSavvy is a free, fast and easy-to-use disk space analyzer utility allowing one to analyze disk...
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RidNacs is a very fast disk space usage analyzer for Microsoft Windows.
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Duc is a collection of tools for inspecting and visualizing disk usage.
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