ALTCHA Alternatives

Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.

reCAPTCHA is a free security service that protects your websites from spam and abuse.

Elegant user management, tailor-made for B2B SaaS

Try for free freemium

The better, new standard to stop spam content.

freemium $49.0 / Monthly (Unlimited Websites, 100K API Calls)

Content moderation is tedious and time-consuming. The Moderation API uses artificial intelligence to analyze, detect, extract and even cover up all the kinds of data you rely on. Spend less time moderating with an AI-powered solution.

freemium $29.0 / Monthly

GeeTest protects your websites, mobile Apps and APIs from bot threats.

freemium

the modern spam protection

Open Source

Enterprise Captcha solutions

Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors.

DataDome provides innovative technology and human expertise to block bad bots.

A reliable captcha service, offers advanced security to protect websites from spam and abuse while ensuring a user-friendly experience for legitimate visitors.

freemium $10.0 / Monthly ("2 Domains", "1,500,000 Requests Per Month", "1 Datacenter")

A plugin to make the process of creating a negative captcha in Rails much less painful

Spam protection for WordPress, Joomla, Drupal, and any other websites

Open Source Free Trial $12.0 / Annually

UniqPin is a free for non-commercial use service which destiny improve ability of interfaces detect...