Resemble AI
Resemble AI is a generative AI security platform for deepfake detection and watermarking across audio, image, and video.

MTCaptcha (Cybersecurity): MTCaptcha is a GDPR-compliant, invisible captcha service that stops bots while keeping real users frictionless. Pricing: from $0/mo. (data verified August 2026)
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MTCaptcha is a smart captcha service that protects websites from bots, human abuse, and fraud. It is SOC 2 Type 2, GDPR, WCAG 2.1 AAA, and EAA compliant, offering an adaptable invisible captcha that verifies humans without friction. The service is a popular reCAPTCHA alternative, particularly for enterprises with strict privacy and accessibility requirements.
MTCaptcha is designed for enterprises, startups, and developers who need robust spam and bot protection without compromising on user experience or data privacy. It is ideal for organizations in regulated industries (finance, healthcare, legal) and those catering to a global audience, including China. It is not for teams looking for a purely visual, puzzle-based captcha, as its core offering is an invisible, risk-based verification system.
The service uses an Adaptive Risk Engine that continuously monitors threats, making it hard for bots and easy for humans. It supports a multi-user management console, automated unit tests, server-side token decryption, and the Threat SPECT tool for visitor risk alerts. Typical use cases include securing login forms, registration pages, online payments, and any other web forms to prevent spam, account takeovers, and credential stuffing.
Editorial score from our review methodology — not user ratings.
MTCaptcha pricing: from $0/mo.
Price: $0/month. Includes 1 Fully Qualified Domain Name, 10,000 captcha evaluations, 7 days dashboard history, global high availability, GDPR & accessibility compliance, and fully customizable CSS.
Price: $29/month per site (or $25/month when billed annually). Includes everything in Free, plus 300,000 captcha evaluations, low friction invisible captcha (99.5% first pass rate for humans), 30 days dashboard history, and support response within 12 hours.
Price: $95/month per site (or $81/month when billed annually). Includes everything in Core, plus 1,000,000 captcha evaluations, 90 days dashboard history, and multiple user access.
Price: $170/month per site (or $145/month when billed annually). Includes everything in Pro, plus 2,000,000 captcha evaluations, unlimited dashboard history, MTCaptcha Threat SPECT (visitor risk alerts), and IP based invisible captcha.
Price: Contact sales. Includes everything in Business, plus custom evaluations, admin audit logs, export captcha logs, procurement support, and first-party hosting.
Note: All plans include a free 30-day trial with no credit card required.