can i fork it?

Head-to-Head Comparison · Alternative to reCAPTCHA · 🤖 automation

reCAPTCHA vs ALTCHA

ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance. Here is how ALTCHA ($0/mo open source) stacks up against reCAPTCHA ($15/mo) across cost, hosting, data privacy, and real-world trade-offs.

⚡ Quick Verdict · 2027 Comparison

ALTCHA is a verified Open Source-licensed open-source replacement for reCAPTCHA. Switching from reCAPTCHA ($15/mo) saves $180/yr per solo seat, or $900/yr for a 5-person team. Deployment: Runs on Self-host.

The catch: Requires self-hosting setup, updates, and server maintenance compared to managed reCAPTCHA.

Open-Source Alternative

ALTCHA

$0.00/mo · Open Source

reCAPTCHA vs ALTCHA Specifications

facts verified 2026-11-07

DimensionreCAPTCHA (Paid)ALTCHA (Replacement)
Monthly Price$15 / mo$0 / mo
1-Year Cost (1 seat)$180 / yr$0 / yr (Save $180)
1-Year Cost (5 seats)$900 / yr$0 / yr (Save $900)
1-Year Cost (10 seats)$1,800 / yr$0 / yr (Save $1,800)
Source & LicenseProprietary SaaSopen source Open Source
Where It RunsVendor CloudSelf-host (your server)
PlatformsWeb / Cloud
webself-hosteddocker to self-host
GitHub Stars—★ 2.9k (active nov 2026)

Deep Dive: Switching from reCAPTCHA to ALTCHA

Trade-offs, installation & data architecture

The Catch vs reCAPTCHA

What you trade away

Requires self-hosting setup, updates, and server maintenance compared to managed reCAPTCHA.

Installation

How to deploy ALTCHA

Clone https://github.com/altcha-org/altcha or deploy with Docker Compose

Day-2 Operations & Setup

What it takes to run

Deploy via Docker or binary release from GitHub and configure environment variables.

Data Ownership

Where your data lives

All application data and configuration live on your own server or local database.

Build vs Fork Verdict: NO (use a free alternative, save the tokens)

Why fork ALTCHA instead of vibe-coding a reCAPTCHA clone?

Instead of paying recurring SaaS fees for reCAPTCHA or rebuilding it from scratch, deploy one of the 6 battle-tested open-source alternatives like Cap.

reCAPTCHA vs ALTCHA FAQ

Is ALTCHA a good free alternative to reCAPTCHA?+

Yes. ALTCHA is a verified open-source (Open Source) replacement for reCAPTCHA. ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance.

What is the catch when switching from reCAPTCHA to ALTCHA?+

Requires self-hosting setup, updates, and server maintenance compared to managed reCAPTCHA.

How much do you save switching from reCAPTCHA to ALTCHA?+

reCAPTCHA costs $15/mo ($180/yr) per seat, whereas ALTCHA is $0/mo. Switching saves $180/yr for a solo user, $900/yr for a 5-person team, and $1,800/yr for a 10-person team.

How do I install or self-host ALTCHA instead of reCAPTCHA?+

Install: Clone https://github.com/altcha-org/altcha or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.

Other Free Alternatives to reCAPTCHA

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ALTCHA Also Replaces

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