Software Alternatives, Accelerators & Startups

replit VS Quad9

Compare replit VS Quad9 and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

replit logo replit

Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages โ€” without spending a second on setup.

Quad9 logo Quad9

Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
  • replit Landing page
    Landing page //
    2023-07-30
  • Quad9 Landing page
    Landing page //
    2021-09-24

replit features and specs

  • Ease of Use
    Replit offers an intuitive interface that makes it easy to start coding without needing to set up development environments. This can significantly lower the barrier to entry for beginners.
  • Collaborative Coding
    Replit facilitates real-time collaboration, allowing multiple users to work on the same codebase simultaneously, similar to tools like Google Docs.
  • Supports Multiple Languages
    Replit supports a wide range of programming languages including Python, JavaScript, C++, and many more. This makes it flexible for users with different needs.
  • Cloud-Based
    Being a cloud-based platform, Replit enables users to access their code from any device with an internet connection, eliminating the need for local storage.
  • Built-in Package Manager
    Replit comes with built-in package managers for various languages, making it easier to include third-party libraries and dependencies.
  • Educational Tools
    The platform offers various resources for educators, such as interactive coding environments and classroom management tools, making it ideal for academic settings.

Possible disadvantages of replit

  • Performance Limitations
    Being a cloud-based IDE, Replit may encounter performance issues for larger projects or those requiring intensive computational resources.
  • Limited Customization
    The environment may lack some customization options and advanced settings available in traditional, locally-installed IDEs.
  • Dependency on Internet
    Since it's cloud-based, an active internet connection is mandatory for coding, which can be a drawback in situations with unreliable internet access.
  • Privacy Concerns
    Hosting code on a third-party platform may raise privacy and security issues, especially for proprietary or sensitive projects.
  • Subscription Costs
    While Replit offers a free tier, advanced features, higher resource limits, and premium support come at a subscription cost, which may be a barrier for some users.
  • Limited Debugging Tools
    The platform's debugging tools may not be as robust as those available in more established, dedicated IDEs.

Quad9 features and specs

  • Privacy-Focused
    Quad9 does not store any personal data about users and maintains a stringent privacy policy, ensuring that your DNS queries are not tracked or sold to third parties.
  • Security
    Quad9 provides robust security features by blocking access to known malicious domains, which helps protect users from phishing, malware, and other online threats.
  • Performance
    With a global network of servers, Quad9 offers fast DNS resolution, which can contribute to quicker website load times and improved overall internet browsing experience.
  • Easy to Set Up
    Changing your DNS to Quad9 is straightforward and can be easily configured on most devices without requiring technical expertise.
  • Free Service
    Quad9 offers its DNS services free of charge, making it an accessible option for anyone looking to improve their online privacy and security without additional costs.

Possible disadvantages of Quad9

  • Limited Customization
    Quad9 does not offer as many customization options as some competing services, which may be a drawback for advanced users looking for more control over their DNS settings.
  • Possible Geolocation Issues
    Using a global DNS resolver like Quad9 can sometimes lead to geolocation issues, where content or services are delivered based on server location rather than user location.
  • Not as Established
    Quad9 is a relatively new entrant in the DNS space compared to longstanding providers like Google Public DNS and OpenDNS, which might make some users hesitant.
  • Dependency on Upstream Filters
    Quad9's security filtering relies on upstream threat intelligence providers. Therefore, the comprehensiveness of the protection is dependent on the accuracy and timeliness of these third-party sources.

Analysis of Quad9

Overall verdict

  • Yes, Quad9 is generally considered a good DNS service.

Why this product is good

  • Quad9 offers a DNS service that prioritizes security, privacy, and performance. It blocks known malicious domains using threat intelligence from multiple sources, enhancing cybersecurity for its users. Additionally, Quad9 respects user privacy by not logging or selling personal data.

Recommended for

  • Individuals and organizations seeking enhanced security against phishing and malware.
  • Users concerned about privacy and looking for a DNS provider that respects these values.
  • Anyone needing a reliable and fast DNS resolver for their internet activities.
  • IT administrators interested in a robust, secure DNS solution for networks.

replit videos

KaBooM! by Swag Bags

More videos:

  • Review - Repl.it SciTech Talk | MIT Arab SciTech 2019
  • Review - First Step Coding intro to Repl.it
  • Review - Kaboom Mold And Mildew With Bleach Review
  • Review - Kaboom Review with the Game Boy Geek

Quad9 videos

Quad9 9.9.9.9 VS Google 8.8.8.8 Benchmark Testing & Keeping Your Computer safer with Quad9 DNS

More videos:

  • Review - Quad9 on PS4!! DNS Settings 9.9.9.9 (My Review)
  • Review - Keep your data and computer safe with Quad9
  • Review - Here's Why DNS Matters w/ John Todd from Quad9

Category Popularity

0-100% (relative to replit and Quad9)
Programming
100 100%
0% 0
DNS
0 0%
100% 100
Developer Tools
100 100%
0% 0
Security & Privacy
0 0%
100% 100

User comments

Share your experience with using replit and Quad9. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare replit and Quad9

replit Reviews

  1. Monkeyman666
    ยท sysadmin at dagul ยท
    Nice web hosting for small website [non production]

    easy setup.

    ๐Ÿ Competitors: Heroku
  2. very good for my kids

11 Best AI Coding Assistants: Top Tools Every Developer Needs in 2025ย 
Replitโ€™s Ghostwriter is used in browser-based coding environments where simplicity and instant collaboration matter most. Itโ€™s a natural fit for education, prototyping, or remote work where installation isnโ€™t practical but fast feedback is still essential.
Source: blog.devart.com
8 Best Replit Alternatives & Competitors in 2022 (Free & Paid) - Software Discover
Replit is a simple yet powerful online ide, editor, compiler, interpreter, and repl. Code, compile, run, and host in 50+ programming languages. The collaborative browser based ide โ€“ replit.
12 Best Online IDE and Code Editors to Develop Web Applications
Moreover, the moment you are ready with the code, it instantly goes live to the world. If you also want to learn about code, Replit has more than three million technologists, creatives, passionate programmers, and more. With real-time collaboration with your teams, your team will be more productive. Additionally, you can create applications, bots, etc., with the help of...
Source: geekflare.com
Best Online Code Editors For Web Developers
Replit allows users to write code and build apps and websites using a browser. The site also has various collaborative features, including capability for real-time, multiuser editing with a live chat feed.
Source: techarge.in

Quad9 Reviews

Best DNS servers of 2022: Boost your internet speed with these free, public services
The company sells itself on its ability to block malicious domains by collecting intelligence from 'a variety of public and private sources.' It's not clear what these sources are, but the website says Quad9 used 18+ 'threat intelligence providers' as of December 2018.
Best DNS Servers to Use for Free in 2022
As the name Quad9 suggests, their primary DNS is 9.9.9.9. Quad9โ€™s DNS is fairly easy to remember as the name indicates. Quad9 focuses on security, performance, privacy, and speed. Though it may not be the fastest DNS, it surely is one of the best DNS servers. Quad9 was built on the factor of security, focusing mainly on protecting its users
Best free DNS servers: 14 options to check out
Quad9 emphasizes security, privacy and performance โ€” the company was founded on the goal to make the internet safer for everyone. It blocks malicious domains, phishing and malware while maintaining your anonymity. Quad9 is constantly expanding to new regions. Right now, it comes in at No. 8 on the DNS Performance Analytics and Comparison ratings.

Social recommendations and mentions

Based on our record, replit seems to be a lot more popular than Quad9. While we know about 651 links to replit, we've tracked only 49 mentions of Quad9. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

replit mentions (651)

  • Best Frontend Generators in 2026: Top AI Tools for Developers
    Replit is closer to an AI development environment than a traditional frontend generator. - Source: dev.to / 1 day ago
  • Pizza delivery driver built triple OS where folders SOLIDIFY at 5% capacity
    โ€ข Memory leak? Folder hits 5% โ†’ SOLIDIFIES โ†’ delete clean Code: https://replit.com/@clydetosspon/tripleos [after you make Replit] Neuromorphic chip makers: this matches your spike physics perfectly (0W idle) Full story in comments. AMA! - Source: Hacker News / 5 months ago
  • Show HN: One provider starts lying at request 50. The quorum catches it
    Two regions. Six hubs. Six providers. One of them starts lying after request 50. The quorum catches it. Authority never moves. NUVL fronts compute bindings and forward only. Hubs relay and fan out โ€” no authority, no policy. Providers are the only execution authorities. When Provider_B starts flipping reported outcomes, the 2-of-3 quorum audit detects the drift without promoting hubs into decision-makers. The drift... - Source: Hacker News / 5 months ago
  • Introduction to Linux for Data Engineers
    Replit is an example of an online code editor, where you can write your code and access the Linux shell at the same time. - Source: dev.to / 7 months ago
  • Guide to AI Coding Agents & Assistants: How to Choose the Right AI Tool
    Replit offers a cloud IDE with an AI assistant for code explanations and incremental edits, plus the Agent that can generate full-stack applications from natural language. The agent performs extended reasoning and uses self-testing to refine its work. Developers can build other agents and automation workflows inside Replit. - Source: dev.to / 8 months ago
View more

Quad9 mentions (49)

  • The Great DNS Trail
    So assuming the answer to a query of what something like dev.to is mainly starts at the locally designated DNS servers. This will most likely be your ISP but it's not uncommon to utilize public DNS servers such as Quad9, Google, and Cloud Flare. Public DNS servers were popularized after "certain ISPs" decided that showing ad littered pages for unknown domains was a good idea. - Source: dev.to / 4 months ago
  • AT&T Paid a Hacker $370k to Delete Stolen Phone Records
    Maybe consider using https://quad9.net for DNS? It's nice having archive.today work. Otherwise you can always copy/paste the link to TFA into https://archive.org. - Source: Hacker News / about 2 years ago
  • Information Security Best Practices
    Automate everything. Use a password manager, enable automatic updates, use DNS malware filtering at router level (Free with https://quad9.net ). Source: over 2 years ago
  • Firefox has surpassed Chrome on Speedometer
    Depends on your region and what sites you're using. I live in the middle of nowhere far from civilization, and 1.1.1.1 returns terrible IPs for many sites including google.com (which pings at 350-400 ms if you resolve it through 1.1.1.1, but at 90-100 ms if you're using any other resolver). They do it because they block EDNS0 in order to protect your privacy or something like that. So I use 8.8.8.8 and 9.9.9.9 in... - Source: Hacker News / about 3 years ago
  • 96 ms to a DNS server OK?
    9.9.9.9 is run by Quad9. Theyโ€™re more privacy oriented, afaik. Source: about 3 years ago
View more

What are some alternatives?

When comparing replit and Quad9, you can also consider the following products

Lovable - The world's first AI Fullstack Engineer

NextDNS - Block ads, trackers and malicious websites on all your devices.

VS Code - Build and debug modern web and cloud applications, by Microsoft

1.1.1.1 - The free app that makes your Internet safer.

bolt.new - Prompt, run, edit, and deploy full-stack web apps

OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.