
NextDNS
AdGuard
Pi-hole
Blokada
1.1.1.1
Quad9
ControlD
Soon you'll be able to create your own private DNS server that will protect your personal data, block ads and trackers, and allow you to control access to specific Internet content.

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, AdGuard DNS seems to be more popular. It has been mentioned 42 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | adguard-dns.io | 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
AdGuard DNS is well-suited for individuals and families looking to improve their online privacy and security. It is also recommended for users who want a hassle-free, network-wide ad-blocking solution and those who wish to protect their network devices from harmful websites and malware with minimal setup.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How-To Block Internet Ads and Adult Websites : AdGuard DNS Review
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 AdGuard DNS 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 AdGuard DNS and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


As a satisfied customer, I just recommended their adblockimg DNS on here a few days ago but am happy to do it again. If you really don't want to install anything, at least adblock at the DNS level. https://adguard-dns.io/en/welcome.html. - Source: Hacker News / 11 months ago
Sorry, but adblock is a genuine quality of life hack for everyone online. Since you don't want to install anything, how about working at the DNS level and/or hosts level? https://adguard-dns.io/en/welcome.html will change your mind. - Source: Hacker News / 11 months ago
Two raspberries with Adguard combined with Tailscale is pretty safe and removes a nice chunk of garbage from the internet https://adguard-dns.io/en/welcome.html. - Source: Hacker News / over 1 year ago
Tracking Diffyn since Jun 2025.
When comparing AdGuard DNS and Diffyn, you can also consider the following products.

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The best ad blocker for Android. Free and open source.
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Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
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