Cost / License
- Free
- Proprietary
Platforms
- Online


UniqPin is described as 'Free for non-commercial use service which destiny improve ability of interfaces detect a human or a computer operate with it' and is a Anti-Spam tool. There are more than 10 alternatives to UniqPin for a variety of platforms, including Web-based, Self-Hosted, SaaS, Docker and Wordpress apps. The best UniqPin alternative is Cap Captcha, which is both free and Open Source. Other great apps like UniqPin are Anubis, reCAPTCHA, Procaptcha and hCaptcha.


AuthKong is a smart captcha service designed to protect websites from spam and abuse while ensuring real users can pass through effortlessly. It offers a more user-friendly and effective alternative to traditional captcha systems like reCAPTCHA, featuring easy-to-use slider and...

GeeTest protects your websites, mobile apps and APIs from bad bot attacks with zero user friction. Its self-learning defense model based on Graph Convolutional Networks and massive volumes of biometric data collected in the past 7 years allows GeeTest to identify and mitigate...




GeeTest CAPTCHA is the most popular commercial alternative to UniqPin.
Protect your business from bots and spam while ensuring 100% data privacy compliance. No puzzles, no tracking – just invisible security that works.
conCaptcha is a self-hosted captcha which is faster, more user-friendly and more customizable than other captchas - available for PHP and ASP.NET websites. Users no longer have to read any annoying text images, solve difficult math equations or play any puzzle games.

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...
