
dupeGuru
Duplicate Cleaner
AllDup
CCleaner
BleachBit
FSlint
Glary Utilities
Multi functional app to find duplicates, empty folders, similar images etc.

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, Czkawka seems to be more popular. It has been mentioned 174 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | 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.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Cleaning up Duplicate Files And Images with AI - Czkawka
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 Czkawka 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 Czkawka and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I'm not sure exactly how it compares, but a similar tool you can use that also does phashes of images/videos to find potential duplicate media files is czkawka [0]. [0]: https://github.com/qarmin/czkawka. - Source: Hacker News / 3 months ago
There's Czkawka, Polish for "hiccup" application that helps find duplicates [1], dev behind it also created files renamer Szyszka, again "cone" in Polish [2]. Backup solution Kopia [3] mean "copy" but also... - Source: Hacker News / over 1 year ago
You want content-addressed storage; this works with rolling content hashes that identify common blocks of memory. `rsync` uses that technique to minimize bytes to be transferred. - Source: Hacker News / about 2 years ago
Tracking Diffyn since Jun 2025.
When comparing Czkawka and Diffyn, you can also consider the following products.

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Duplicate Cleaner: the fastest and most popular tool for finding duplicate files. Over 1 million downloads: Get your copy now! Free and Pro versions available.
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AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
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CCleaner cleans, speeds up and frees up space on business endpoints.
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When your computer is getting full, BleachBit quickly frees disk space.
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FSlint is a utility to find and clean various forms of lint on a filesystem. I.E.
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