Software Alternatives & Startups

ALTCHA VS CodeMonkey

Compare ALTCHA VS CodeMonkey and see what are their differences

ALTCHA

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

ALTCHA Simple, user-friendly verification.
Rating
0 reviews
Pricing
Open source Free
CodeMonkey

Write code. Catch Bananas. Save the World.

CodeMonkey Landing page
Rating
0 reviews
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.

Which is more popular?

Based on our record, ALTCHA seems to be more popular. It has been mentioned 3 times since March 2021.

social mentions
3 vs 0
SPAM Protection popularity
100% vs 0%
alternatives listed
81 vs 106

Base details

Website, pricing, platforms and company facts side by side.

ALTCHA
CodeMonkey
Website altcha.org codemonkey.com
Pricing
Open source Free
Platforms
Web REST API
Company Startup from Israel · 20 - 49 employees · 2014
Listed in

About ALTCHA and CodeMonkey

In their own words, as submitted to SaaSHub.

ALTCHA
CodeMonkey

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...

Read more about ALTCHA

Codemonkey is an interactive online platform designed to make learning code fun for kids from 5-14 years old. Through engaging games and challenges, it introduces programming concepts in a clear and accessible way. As children write code to help a monkey complete different tasks and puzzles, they...

Read more about CodeMonkey

Features and specs

What each product offers, as listed by its team.

ALTCHA 9 features
CodeMonkey 6 features
  • 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.
  • End-to-End Encryption
    The Encryption Shield mitigates data breaches by encrypting data with asymmetric end-to-end encryption.
  • Digital e-Signatures
    e-Signatures made easy with eIDAS-compliant simple and advanced signatures - qualified digital certificates and DigiDoc.
  • Visual Form Builder
    Create custom forms effortlessly with the visual form builder, empowering users to design tailored solutions without any coding expertise.
  • File Attachments
    Safely request and securely store file attachments with end-to-end encryption, ensuring the utmost protection for your data.
  • Send to Email or Webhook
    Configure forms to seamlessly send data to email, APIs, or webhooks using processors, facilitating efficient data handling and integration with your workflows.
  • Engaging Learning Environment
    CodeMonkey offers a game-based learning platform that makes coding fun and engaging for children. The interactive nature helps maintain student interest and motivation.
  • Structured Curriculum
    It provides a well-organized curriculum that follows a clear learning path, ensuring that students build their coding skills progressively, from basic to more advanced levels.
  • No Previous Experience Required
    CodeMonkey is designed for users with no prior coding knowledge, making it accessible and easy to start for beginners.
  • Multiple Programming Languages
    Students can learn different programming languages, including CoffeeScript, Python, and others, broadening their overall coding proficiency.
  • Teacher Resources and Support
    The platform offers extensive resources for educators, including lesson plans, grading tools, and progress tracking, which can simplify teaching logistics.
  • Free Trial and Subscription Plans
    CodeMonkey provides a free trial period along with various subscription options, allowing users to explore the platform before committing financially.

Possible disadvantages

  • Cost
    Beyond the free trial, CodeMonkey can be costly for schools or individuals, especially those on a tight budget, as it requires a subscription plan.
  • Limited Advanced Features
    While excellent for beginners, advanced coders might find the platform lacking in complexity and features needed for more sophisticated programming tasks.
  • Internet Dependency
    CodeMonkey is an online platform, so a stable internet connection is required for full functionality. This can be a limitation in areas with poor connectivity.
  • Game-Based Focus
    The heavy reliance on gamification may not suit all learners, particularly older students or those preferring a more traditional, text-based approach to coding.
  • Limited Scope for Custom Projects
    The structured nature of the platform might limit students’ ability to deviate from the set curriculum and create their own unique projects.
  • Language and Region Availability
    The platform might not be available in all languages or regions, which could restrict access for non-English speaking or international users.

Videos

Walkthroughs and reviews on video.

ALTCHA 0 videos + Add
CodeMonkey 3 videos + Add

No ALTCHA videos yet. You could help us improve this page by suggesting one.

Webinar for Teachers | Getting Started with your CodeMonkey Pilot

More videos

  • Demo - CodeMonkey: Teach code with the best coding solution
  • Review - Tour of CodeMonkey Courses

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
ALTCHA
CodeMonkey
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing ALTCHA and CodeMonkey.

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.

CodeMonkey's answer:

CodeMonkey stands out by teaching real programming languages like CoffeeScript and Python through fun, game-based challenges. Unlike many platforms that rely only on block coding, it gradually transitions students to text-based coding for a more authentic experience. Its engaging storyline, where kids help a monkey complete tasks by writing code, keeps learners motivated and invested. The platform also supports educators with detailed lesson plans, progress tracking, and classroom management tools. With its global accessibility and step-by-step guidance, CodeMonkey makes coding approachable and enjoyable for children everywhere.

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.

CodeMonkey's answer:

CodeMonkey is a great choice because it makes learning to code fun and exciting through interactive games and real coding languages. Unlike some other platforms that stick to just drag-and-drop blocks, CodeMonkey helps kids start writing real code early on. It’s super easy to use, with step-by-step instructions and instant feedback to keep learners on track. Teachers and parents also love it because it comes with ready-made lessons and tools to track progress. Plus, it’s used all over the world and available in different languages, so anyone can jump in and start coding!

How would you describe the primary audience of your product?

ALTCHA's answer

Our primary audience for ALTCHA Forms includes enterprises, medium and small businesses, non-profits, and individuals who need a reliable, secure, and compliant solution for data collection and management. Whether you're a large corporation dealing with extensive regulatory requirements, a small business looking to protect customer and employee data, a non-profit organization managing sensitive information, or an individual seeking robust data security, ALTCHA Forms provides the tools and features necessary to meet your needs. With a focus on compliance, user-friendly design, and advanced security measures, our platform is tailored to support diverse users in navigating complex regulatory landscapes and ensuring data protection.

CodeMonkey's answer:

CodeMonkey’s primary audience is children, typically aged 5 to 14, who are just starting to explore the world of coding. It’s designed for young learners who enjoy games and interactive challenges that make learning feel like play. The platform is also a great fit for educators and parents looking for a fun, structured way to teach programming. With content suitable for beginners and more advanced students, it appeals to a wide range of skill levels. Overall, CodeMonkey is perfect for curious kids who love solving puzzles and want to build real coding skills in a fun, supportive environment.

What's the story behind your product?

CodeMonkey's answer:

CodeMonkey was founded in 2014 by Jonathan Schor, Ido Schor, and Yishai Pinchover, inspired by their experiences teaching kids to code through playful activities. They envisioned a platform that would make coding accessible and enjoyable for children, blending real programming languages with engaging, game-based learning. Launched in Israel, CodeMonkey quickly gained global traction, reaching over 34 million students in 206 countries by 2024 . In 2018, it was acquired by TAL Education Group but continues to operate independently, expanding its offerings to include courses in AI, data science, and digital literacy. Today, CodeMonkey remains committed to empowering young learners worldwide through fun and effective coding education.

Which are the primary technologies used for building your product?

ALTCHA's answer

JavaScript and Svelte.

User comments

Share your experience with using ALTCHA and CodeMonkey. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

ALTCHA 3 mentions
CodeMonkey 0 mentions
  • A self-hosted Google reCAPTCHA alternative (we ship it)
    The captcha on orkestr is Altcha. Self-hosted, no third-party JS, no Google, no behavioral tracking. Users don't see a puzzle. There's a single checkbox and a quiet "verifying..." while the browser does some math. About a second, total. - Source: dev.to / 4 months ago
  • Why Proof-of-Work Beats CAPTCHA for Form Protection
    Here's how PoW works for form protection (using the ALTCHA wire format):. - Source: dev.to / 5 months ago
  • Wicketkeeper – privacy-friendly, self-hostable PoW CAPTCHA
    Go based, similar to JS based ALTCHA https://altcha.org/ discussed at https://news.ycombinator.com/item?id=43971068. - Source: Hacker News / 9 months ago

Tracking CodeMonkey since Mar 2021.

Alternatives to ALTCHA and CodeMonkey

When comparing ALTCHA and CodeMonkey, you can also consider the following products.