⚡ Captcha Services in Korea

CAPTCHA, which stands for Completely Automated Public Turing test to tell Computers and Humans Apart, is a security technology used to verify whether a user is a human or a bot by presenting challenges that are easy to solve for people but difficult for automated systems.

Korea is an East Asian country with a population of around 52 million people.

According to our research, captcha services are used on 1.9% of websites from Korea.

⭐ Most Popular in 2026

The following chart shows the top captcha services in Korea in 2026, based on market share.

The most popular is reCAPTCHA, which dominates the market with a substantial 67.7% share.
It is followed by hCaptcha with 26.2% and Cloudflare Turnstile with 25.2%.

🚀 Highlights

Here is a list of the top services that are more popular in Korea than worldwide.
Differences between global and country rankings are shown in parentheses.

✨ Best Captcha Services

Below is a more detailed list of 7 captcha services used on sites from Korea, ranked by their market share.

RankNameMarket share
1
reCAPTCHA
Mountain View, California, United States

A Google service that protects websites from spam, fraud, and automated abuse by distinguishing human users from bots.

Free tier$8+/month
2
hCaptcha
San Francisco, California, United States

A security service for detecting and preventing human and automated abuse on websites and applications, often used as a drop-in alternative to reCAPTCHA.

Free$99+/month
3
Cloudflare Turnstile
San Francisco, California, United States

A user-friendly CAPTCHA alternative that verifies human visitors without requiring them to solve interactive puzzles or identify objects.

Free$$$
4
AWS WAF Captcha
Seattle, Washington, United States

A feature of the AWS Web Application Firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding.

$$$
5
GeeTest
Wuhan, China

A Chinese bot management and CAPTCHA platform that uses behavioral analysis, machine learning, and device fingerprinting to distinguish human users from automated traffic.

$$$
6
Friendly Captcha
Woerthsee, Germany

A European captcha service that protects websites from bots and automated abuse while prioritizing user privacy, security, and accessibility.

Free€9+/month
7
Yidun Captcha
Hangzhou, China

A captcha service provided by the Chinese company NetEase.

👉 See Also

🗃️ About This Data