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ALTCHA VS Cloudflare Turnstile

Compare ALTCHA VS Cloudflare Turnstile and see what are their differences

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ALTCHA logo ALTCHA

ALTCHA is a free CAPTCHA alternative that uses a proof-of-work mechanism to protect your website, and online services from spam.

Cloudflare Turnstile logo Cloudflare Turnstile

Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors.
  • ALTCHA Simple, user-friendly verification.
    Simple, user-friendly verification. //
    2024-04-30

ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other solutions, ALTCHA is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR.

Not present

ALTCHA features and specs

  • Privacy-friendly, GDPR compliant
    No cookies, no tracking, no external servers.
  • Frustration-free
    No visual puzzles. PoW Captcha is better for people.
  • Spam Filtering
    Employs machine learning to categorize submitted data and identify unwanted messages.
  • Open-source
    Free to use, free to modify. MIT licensed.

Cloudflare Turnstile features and specs

  • Accessibility
    Cloudflare Turnstile is designed to improve accessibility by removing the need for traditional CAPTCHA challenges, which can often be difficult or impossible for some users to solve.
  • Privacy-Focused
    Turnstile enhances user privacy by not collecting or storing user data for analysis or targeting, ensuring a more private user experience.
  • Improved User Experience
    By eliminating friction and challenges associated with traditional CAPTCHAs, Turnstile offers a smoother and less disruptive experience for users.
  • Security
    Despite removing the conventional CAPTCHA, Turnstile still maintains robust security measures to protect websites from abuse and bot traffic.

Possible disadvantages of Cloudflare Turnstile

  • Reliance on Cloudflare
    Websites using Turnstile become more dependent on Cloudflare's infrastructure, which may not be suitable for all organizations.
  • Implementation Complexity
    Integrating Turnstile with existing web applications could require additional development resources, especially if transitioning from a different CAPTCHA system.
  • Functionality Limitations
    As a relatively new tool, Turnstile might have fewer features or integration options compared to more established CAPTCHA solutions.
  • Network Dependency
    The performance and reliability of Turnstile are tied to Cloudflare's network, meaning any outages or slowdowns could impact availability.

ALTCHA videos

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Cloudflare Turnstile videos

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Cloudflare Turnstile: a frustration-free CAPTCHA alternative

Category Popularity

0-100% (relative to ALTCHA and Cloudflare Turnstile)

ALTCHA

Cloudflare Turnstile

SPAM Protection
45 45%
SPAM Protection
55% 55
Captcha
51 51%
Captcha
49% 49
Security
45 45%
Security
55% 55
Security & Privacy
46 46%
Security & Privacy
54% 54

Questions and Answers

As answered by people managing ALTCHA and Cloudflare Turnstile.

What makes your product unique?

ALTCHA's answer

What makes ALTCHA unique is that it is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR. Unlike other captcha solutions, ALTCHA does not require users to solve puzzles or captchas and uses a proof-of-work mechanism instead.

Why should a person choose your product over its competitors?

ALTCHA's answer

Here are some key reasons why a person should choose ALTCHA over its competitors:

  • Privacy compliance - ALTCHA is fully compliant with privacy regulations like GDPR since it does not use cookies, fingerprinting or track users. This is a major advantage over other captcha solutions.
  • Open source and self-hosted - ALTCHA is free, open source software that can be self-hosted without relying on external services. This gives more control and independence to the user.
  • Accessible design - ALTCHA uses a proof-of-work mechanism instead of puzzles or captchas, making it more friendly and accessible for humans. Captchas can be difficult for some users.
  • Machine compatibility - ALTCHA is designed to also work for machines and APIs, making services accessible for bots and automated systems. Other solutions may not be as compatible.
  • Modern approach - ALTCHA represents a privacy-first, inclusive approach to spam protection as opposed to traditional captcha methods. This future-proofs the solution.
  • Effective spam filtering - In addition to proof-of-work, ALTCHA also offers an effective spam filter module to block sophisticated spam attacks. This provides comprehensive protection.

So in summary, ALTCHA's privacy compliance, open design, accessibility, machine compatibility and modern approach give it clear advantages over competing captcha solutions.

Which are the primary technologies used for building your product?

ALTCHA's answer

JavaScript and Svelte.

User comments

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What are some alternatives?

When comparing ALTCHA and Cloudflare Turnstile, you can also consider the following products

hCaptcha - Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.

reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.

mosparo - the modern spam protection

Prosopo.io - Protect your applications from bots with Procaptcha. GDPR compliant, privacy friendly, open source, and better value than alternatives. Switch from reCAPTCHA in minutes.

CleanTalk - Spam protection for WordPress, Joomla, Drupal, and any other websites

CAPTCHA22 - CAPTCHA22 is a toolset for building, and training, CAPTCHA cracking models using neural networks.

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