Use your recognised digital signature and handwritten signature to approve or sign documents on your smartphone or tablet.

nebulaSIGN® lets you work with digital signatures on your own documents (stored on your device or in the cloud) or on documents assigned by an organisation’s corporate infrastructure. The digital signature is made with a digital certificate held by the user in the central system of the organisation or by a digitized handwritten signature.


• Operational via Internet or Intranet
• Digital signature on PDF files
• Handwritten signatures
• Compatible with iOS smartphones and tablets
• Digital signatures via the user’s digital certificates held centrally in the nebulaCERT system
• Handwritten electronic signatures (digitized signature) embedded in PDF documents
• Work flow involving multiple users
• No need to have the digital certificate on your smartphone or tablet
• Integrated with OTP or directory authentication
• Explanation included when a signature is denied
• Customization of complex workflows
• Co-signatures
• Ease of distribution (BYOD based)

What’s New

Version 2.1.1

This app has been updated by Apple to display the Apple Watch app icon.

Improved user experience

App Privacy

The developer, Víntegris S.L., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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