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RingCaptcha

Real Users, Real Contact

Visit RingCaptcha

RingCaptcha is a phone identity and verification service that provides SMS and voice one-time passwords (OTP), lead validation, and fraud blocking. It helps businesses onboard real users, block bots and fake signups, and send direct SMS notifications. The service offers a single API to access multiple telecom providers, a web widget, and SDKs for Android and iOS.

6 alternatives to RingCaptcha

Ranked by how well each tool replaces RingCaptcha: shared features, audience, price and popularity.

  1. Telesign

    Phone Number, SMS & Identity Verification APIs

    Covers 0 of 15 key features.

    Free plan
    57 out of 100 matchFree

  2. MobileSMS.io

    Disposable & Rental Phone Numbers for SMS Verification

    Covers 0 of 15 key features.

    Free plan
    55 out of 100 matchFree

  3. MyOTP.App

    Secure your applications with SMS, WhatsApp, and Telegram OTP APIs.

    Covers 0 of 15 key features and starts cheaper.

    53 out of 100 match$20/mo

  4. Realaml

    Simplified AML compliance and onboarding software

    Covers 0 of 15 key features.

    43 out of 100 match—

  5. Authyo

    OTP authentication, passwordless login and multi-factor authentication in one platform

    Covers 0 of 15 key features.

    Free plan
    42 out of 100 matchUsage-based

  6. Phone Validator

    The Fastest, Most Accurate Way to Validate Phone Numbers

    Covers 0 of 15 key features.

    Free plan
    41 out of 100 matchUsage-based