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ALTCHA VS GDevelop

Compare ALTCHA VS GDevelop 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
Alternatives Is it good?
GDevelop

GDevelop is an open-source game making software designed to be used by everyone.

GDevelop Landing page
Rating
4.0 · 1 review
Pricing
Open source
Alternatives Is it good?
Axcrypt
AxCrypt is a powerful, easy-to-use encryption tool that protects your files, passwords, and personal information with strong AES-256 security. Available on Windows, Mac, Android, and iOS, it keeps your data safe wherever you go. sponsored
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, GDevelop seems to be a lot more popular than ALTCHA. While we know about 78 links to GDevelop, we've tracked only 3 mentions of ALTCHA.

social mentions
3 vs 78
SPAM Protection popularity
100% vs 0%
alternatives listed
81 vs 240+

Base details

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

ALTCHA
GDevelop
Website altcha.org gdevelop.io
Pricing
Open source Free
Open source
Platforms
Web REST API
—
Listed in
Security & Privacy SPAM Protection Anti-Spam Captcha SPAM API +2
Game Development Game Engine 3D Game Engine 2D Game Engine +1

About ALTCHA and GDevelop

In their own words, as submitted to SaaSHub.

ALTCHA
GDevelop

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

No description of GDevelop yet.

Features and specs

What each product offers, as listed by its team.

ALTCHA 9 features
GDevelop 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.
  • User-Friendly Interface
    GDevelop provides a drag-and-drop interface, making it accessible for beginners who don't have prior coding experience.
  • Cross-Platform Export
    Games created with GDevelop can be exported to multiple platforms, including Windows, macOS, Linux, Android, iOS, and the web.
  • Free and Open Source
    GDevelop is completely free and its source code is open for anyone to modify and improve.
  • Extensive Documentation
    The platform provides a wide range of tutorials, examples, and thorough documentation, making it easier for developers to learn and utilize the tool.
  • Vibrant Community
    An active community forum and resources are available, providing support and opportunities for collaboration.
  • No-Code Solution
    GDevelop allows game creation without any coding, making it highly suitable for rapid prototyping and educational purposes.

Possible disadvantages

  • Performance Limitations
    The engine may struggle with performance issues for more complex games, especially those with high-end graphics and intensive computations.
  • Limited Advanced Features
    While suitable for 2D game development, GDevelop lacks advanced features found in other engines, potentially limiting more experienced developers.
  • Learning Curve for Advanced Usage
    Although easy for beginners, mastering the platform for more complex projects can have a steep learning curve.
  • Limited Integration
    Integration with third-party tools and services is not as extensive as in some other, more established game development engines.
  • Project Collaboration
    Collaborative features are relatively basic, potentially making it less ideal for larger, team-based projects.
  • 2D Only
    GDevelop focuses exclusively on 2D game development, which can be a downside for those looking to develop 3D games.

Analysis

An editorial look at what each product does well and who it suits.

ALTCHA
GDevelop

No analysis of ALTCHA yet.

Overall verdict

  • Yes, GDevelop is generally considered a good option for game development, especially for beginners.

Why this product is good

  • GDevelop is an open-source game development platform that provides an easy-to-use interface and a variety of features that allow for the creation of both 2D and 3D games without needing extensive programming knowledge. It offers a drag-and-drop interface, a robust set of pre-built behaviors, and extensive documentation and tutorials, making it accessible to new developers. Additionally, being free and supported by a community of developers, it constantly evolves with updates and new features.

Recommended for

  • Beginners who want to learn game development without extensive coding.
  • Independent developers looking for a free, open-source tool.
  • Educators teaching game development due to its user-friendly interface and ease of use.
  • Developers interested in rapid prototyping of game ideas.

Videos

Walkthroughs and reviews on video.

ALTCHA 0 videos + Add
GDevelop 4 videos + Add

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

GDevelop 5 -- Ultimate Beginner Game Engine?

More videos

  • Review - Clickteam Fusion 2.5 Vs GDevelop 5 - (Game Engine REVIEW 2019 )
  • Review - Clickteam Fusion 2.5 Vs GDevelop 5 - (Game Engine REVIEW 2020 )
  • Tutorial - Beginner Multiplayer Tutorial

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
GDevelop
100% 100%
SPAM Protection
0% 0%
0% 0%
Game Development
100% 100%
100% 100%
Captcha
0% 0%
0% 0%
Game Engine
100% 100%

Questions & Answers

As answered by people managing ALTCHA and GDevelop.

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.

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.

User comments

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

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

ALTCHA no reviews yet
GDevelop 4.0 · 1 review

We have no reviews of ALTCHA yet. Be the first one to post

  • Rated 4/5 by kio
    SaaSHub review
    · Jun 2025

    awesome, but contains some bugs like frezees or editor view crash

  • 16 Scratch Alternatives
    www.justalternativeto.com · May 2023

    Beginners who don’t have any programming skills but still want to create some games can quickly access one of the best platforms based on the open source network to help them develop games named the GDevelop. This...

  • 20 Best Scratch Alternatives 2023
    rigorousthemes.com · Jul 2022

    GDevelop is described as a “free and easy game-making app.” It’s similar to Scratch in that it’s a no-code platform; it doesn’t require using programming languages. GDevelop is also free and open source.

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Social recommendations and mentions

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

ALTCHA 3 mentions
GDevelop 78 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
  • No-Code Game Development: Using AI to Build Your First Game
    GDevelop combines open-source flexibility with powerful no-code features. Their recent AI plugins provide remarkable capabilities:. - Source: dev.to / over 1 year ago
  • Ask HN: Platform for 11 year old to create video games?
    Humble Bundle has a Godot bundle is available for the next day or so. That might be a good one to look at if you're ok with leaning into code a bit (gdscript is very very similar to python).... - Source: Hacker News / almost 2 years ago
  • Exploring Raylib and Open Source
    I selected this library as I normally use much higher-level tools to develop games such as p5.js, or GDevelop. Both these tools are amazing in their own right; however, I want to learn how these processes operate on a much lower level.... - Source: dev.to / about 2 years ago

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