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mCaptcha vs Private Captcha

Learn how mCaptcha and Private Captcha differ in their key features, development activity, technology stack and community adoption, so you can decide which of these captcha & bot protection tools is best for you.

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Favicon of mCaptcha

mCaptcha

Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.
  • Stars


    2,436
  • Forks


    87
  • Last commit


    6 months ago
  • Repository age


    5 years
  • License


    AGPL-3.0
  • Self-hosted


    Yes
View Repository

Warning: This project hasn't been updated in 6 months and might not be actively maintained anymore.

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Screenshot of mCaptcha
Favicon of Private Captcha

Private Captcha

Privacy-first CAPTCHA service that blocks bots while keeping forms accessible. No puzzles, no tracking, no cookies - just invisible cryptographic protection.
  • Stars


    165
  • Forks


    5
  • Last commit


    10 hours ago
  • Repository age


    2 years
  • Self-hosted


    Yes
View Repository

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Screenshot of Private Captcha

Detailed Comparison

mCaptcha appears to have several advantages over Private Captcha, particularly in popularity, maturity and licensing. Consider your specific needs regarding popularity, activity, technology, maturity, licensing and features when making your decision.

mCaptcha wins
Community & Popularity

mCaptcha significantly outpaces Private Captcha in community adoption with 2,436 stars compared to 165 stars on GitHub. This 14.8x difference suggests mCaptcha has a much larger and more active community. In terms of developer contributions, mCaptcha has 87 forks, indicating growing developer engagement.

Private Captcha wins
Development Activity

Private Captcha shows more recent development activity with its last commit 10 hours ago, while mCaptcha was last updated 6 months ago. This suggests Private Captcha is being more actively maintained.

Comparable
Technology Stack

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript. However, they differ in their additional technology choices: mCaptcha uses SCSS, Rust while Private Captcha leverages Golang.

mCaptcha wins
Project Maturity

mCaptcha has been in development longer, starting 5 years ago, compared to Private Captcha which began 2 years ago. This 2.8-year head start suggests mCaptcha may have more mature features and established processes.

mCaptcha wins
Licensing

mCaptcha is licensed under AGPL-3.0, while Private Captcha's license terms are not publicly specified.

Comparable
Use Cases & Features

Both tools serve similar use cases in CAPTCHA & Bot Protection.

Comparable
Hosting & Deployment

Both mCaptcha and Private Captcha offer self-hosting capabilities, giving you full control over your data and infrastructure.