
Czkawka
Duplicate Cleaner
AllDup
Easy Duplicate Finder
VisiPics
FSlint
CloneSpy
dupeGuru is a tool for finding duplicate files on your computer.

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, dupeGuru seems to be more popular. It has been mentioned 72 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dupeguru.voltaicideas.net | diffyn.com |
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| Platforms | — | |
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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
dupeGuru is recommended for users who want an efficient and user-friendly solution for finding and removing duplicate files. It is particularly useful for individuals managing large file repositories, photographers, media enthusiasts, or anyone looking to optimize their digital storage space.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
DJI Osmo Mobile 2 Review, New Intel Driver Support Assistant, dupeGuru Duplicate File Finder!
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 dupeGuru 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 dupeGuru and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


For free/open source options I would suggest https://dupeguru.voltaicideas.net/ and https://github.com/0x90d/videoduplicatefinder. - Source: Hacker News / over 1 year ago
Posted link appears be misspelled This appears to be actual link: https://dupeguru.voltaicideas.net/. - Source: Hacker News / about 3 years ago
I used to use DupeGuru which has some photo-specific dupe detection where you can fuzzy match image dupes based on content: https://dupeguru.voltaicideas.net/ But I switched over to czkawka, which has a better interface for comparing... - Source: Hacker News / about 3 years ago
Tracking Diffyn since Jun 2025.
When comparing dupeGuru and Diffyn, you can also consider the following products.

Multi functional app to find duplicates, empty folders, similar images etc.
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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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Free download! Find and delete duplicate files with Easy Duplicate Finder™. Get rid of annoying duplicates on your Windows and Mac.
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VisiPics does more than just look for identical files, it goes beyond checksums to look for similar...
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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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