The most popular alternative is reCAPTCHA, which is free. If that doesn't suit you, our users have ranked 11 alternatives to UniqPin so hopefully you can find a suitable replacement. Other interesting UniqPin alternatives are hCaptcha (Freemium), Solve Media's CAPTCHA TYPE-IN™ (Paid), Mollom (Freemium) and visualCaptcha (Free, Open Source).
- reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows.
- hCaptcha allows websites to make money serving this demand while blocking bots and other forms of abuse.
- Solve Media's CAPTCHA TYPE-IN ads are an easy plug-in solution that saves your users time while making your site more secure and more profitable. Instead of struggling with difficult puzzles, users enter a simple brand message or security phrase.
- Mollom is a freemium web service to get rid of spam, unwanted content and fake users on your Drupal, Wordpress and Joomla site or blog.
- A configurable captcha solution, focusing on accessibility & simplicity whilst maintaining security.
- GeeTest protects your websites, mobile apps and APIs from bad bot attacks with zero user friction.
- Open-source implementation of server-side spam filtering of blog comments and forum posts.
- The user-friendly CAPTCHA alternative.Friendly Captcha is a tool for preventing spam on your website.
- Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture CAPTCHA that stops spam and bots.
- The Arkose Labs platform undermines the economic drivers behind fraud until perpetrators are compelled to abandon attacks. Real-time risk classification of traffic with interactive enforcement challenges, the solution defeats automated attacks.