⚡ Captchas in Vietnam

A CAPTCHA (an acronym 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 (computer program).

Vietnam is a Southeast Asian country with a population of over 99 million people.

According to our research, captcha services are used on 8.3% of websites from Vietnam.

⭐ Most Popular in 2026

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

The most popular is reCAPTCHA, which dominates the market with an overwhelming 93.5% share.
It is followed by hCaptcha with 4.5% and Cloudflare Turnstile with 3.8%.

🚀 Highlights

Here is a list of the top services that are more popular in Vietnam 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 Vietnam, 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 WAF 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 provider of CAPTCHA and bot management solutions.

$$$
6
Altcha
Brno, Czech Republic

An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs and online services from spam and unwanted content.

FreeOpen source€24+/month
7
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

👉 See Also

Data is based on the analysis of 25,616 websites from Vietnam.
Statistics were last calculated on .
For details, see our methodology and disclaimer.