can i fork it?

Head-to-Head Comparison · Alternative to Cloudflare Turnstile · 🤖 automation

Cloudflare Turnstile vs Procaptcha

A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications. Here is how Procaptcha ($0/mo open source) stacks up against Cloudflare Turnstile ($15/mo) across cost, hosting, data privacy, and real-world trade-offs.

⚡ Quick Verdict · 2027 Comparison

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

The catch: Community-driven open source project without dedicated enterprise SLAs.

Open-Source Alternative

Procaptcha

$0.00/mo · Open Source

Cloudflare Turnstile vs Procaptcha Specifications

facts verified 2026-11-07

DimensionCloudflare Turnstile (Paid)Procaptcha (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 CloudLocal (on your machine)
PlatformsWeb / Cloud
desktopcross-platformone-click install
GitHub Stars—★ 303 (active nov 2026)

Deep Dive: Switching from Cloudflare Turnstile to Procaptcha

Trade-offs, installation & data architecture

The Catch vs Cloudflare Turnstile

What you trade away

Community-driven open source project without dedicated enterprise SLAs.

Installation

How to deploy Procaptcha

Clone https://github.com/prosopo/captcha or deploy with Docker Compose

Day-2 Operations & Setup

What it takes to run

Download the native package or installer for your operating system.

Data Ownership

Where your data lives

All application data lives locally on your own machine.

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

Why fork Procaptcha instead of vibe-coding a Cloudflare Turnstile clone?

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

Cloudflare Turnstile vs Procaptcha FAQ

Is Procaptcha a good free alternative to Cloudflare Turnstile?+

Yes. Procaptcha is a verified open-source (Open Source) replacement for Cloudflare Turnstile. A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications.

What is the catch when switching from Cloudflare Turnstile to Procaptcha?+

Community-driven open source project without dedicated enterprise SLAs.

How much do you save switching from Cloudflare Turnstile to Procaptcha?+

Cloudflare Turnstile costs $15/mo ($180/yr) per seat, whereas Procaptcha 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 Procaptcha instead of Cloudflare Turnstile?+

Install: Clone https://github.com/prosopo/captcha or deploy with Docker Compose. Setup: Download the native package or installer for your operating system.

Other Free Alternatives to Cloudflare Turnstile

compare all 6 →

Procaptcha Also Replaces

full Procaptcha profile →