LockSign: Secure Signatures

Securely sign PDFs & documents

Free · In‑App Purchases

Securely and safely sign, initial, date, and timestamp documents, PDFs, files, photos — even items scanned with your camera. LockSign creates a verifiable electronic signature that is unique to each document, signature, and signing. HOW LOCKSIGN WORKS We combine info into a QR code that’s part of each electronic signature. This means the final signature is different for each signing and can’t be copied or forged. Each signing starts with an original signature, thus beginning our algorithmic encryption process. IS LOCKSIGN SAFE Our signature verification system recognizes any invalid signatures or document mismatches. All the info that creates a LockSign signature is encrypted. WHAT KINDS OF FORMATS CAN I SIGN? All document types are supported: PDFs, docs, spreadsheets, photos, files, camera scans — you name it. All documents are converted to PDF during the signing process. DO RECIPIENTS NEED A LOCKSIGN ACCOUNT? No. You can send documents to anyone. DOES LOCKSIGN STORE MY DOCUMENTS? Documents are only briefly stored during the process of verifying LockSign signatures. DOES LOCKSIGN HAVE ACCESS TO MY DOCUMENTS? No. We don’t have access to documents submitted or sent via our platform. DOES LOCKSIGN HAVE ACCESS TO MY BIOMETRIC INFORMATION? No. The platform uses biometric info via your smart device. Terms & conditions: https://www.locksign.com/terms-and-conditions

Ratings & Reviews

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Removed and updated unsupported libraries and packages Fixed bug that didn't allow adding more than a signature to the pdf

Version 1.7

The developer, LockSign LLC, 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 Linked to You

    The following data may be collected and linked to your identity:

    • User Content
    • Identifiers
    • Diagnostics

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
  • LockSign LLC
Size
  • 75.9 MB
Category
  • Business
Compatibility
Requires iOS 17.4 or later.
  • iPhone
    Requires iOS 17.4 or later.
  • iPad
    Requires iPadOS 17.4 or later.
  • Apple Vision
    Requires visionOS 1.1 or later.
Languages
  • English
Age Rating
4+
Copyright
  • © 2022 LockSign LLC
  • Developer Website
  • Privacy Policy
  • License Agreement

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