idonce

Human Verification

Only for iPhone

Free

iPhone

Prove you're human in 3 seconds. No CAPTCHAs, no personal data, no tracking. Just scan a QR code and confirm with Face ID. idonce proves that a real human is actively present and approving an action — without revealing their identity. HOW IT WORKS 1. A platform shows a QR code 2. You scan it with idonce 3. Confirm with Face ID or fingerprint — done That's it. No puzzles, no accounts, no personal data shared. WHAT IT PROVES idonce generates a cryptographic proof that a real person on a genuine device has actively confirmed an action. This proof is issued as an eIDAS 2.0 compatible Verifiable Credential (SD-JWT-VC) — the same standard the EU uses for digital identity. PRIVACY BY DESIGN • No name, no email, no phone number collected • No tracking, no cookies, no fingerprinting • Your identity is a pseudonymous device-bound key • Biometric data never leaves your device • You choose exactly which claims to share SECURITY • Private key stored in Secure Enclave • Apple App Attest Integrity verification • Keys cannot be copied or exported • Biometric authentication required for every verification BUILT ON OPEN STANDARDS • SD-JWT-VC (IETF) — Credential format with selective disclosure • OpenID4VP — Credential presentation protocol • OpenID4VCI — Credential issuance protocol • eIDAS 2.0 compatible — interoperable with EU digital identity wallets USE CASES • Bot protection for communities and forums • Fake review prevention for e-commerce • Sybil resistance for voting and governance • Real-time transaction confirmation for fintech idonce is not an identity system. It doesn't know your name. It answers exactly one question: "Did a real human on a genuine device just confirm?" Open source. Zero external dependencies. Built in Germany. -- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.idonce.com/privacy Terms of Service: https://www.idonce.com/terms

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The developer, Gradient Zero, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Gradient Zero SoftwareentwicklungsgmbH
    Size
    • 19.1 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © Gradient Zero Deutschland GmbH
  • Developer Website
  • Privacy Policy

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